Leerojanaprapa, Kanogkan

Preferred name

Alternative Name

Leerojanaprapa, K.

Main Affiliation

School of Science

kanogkan.le@kmitl.ac.th

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Using DEMATEL to explore the relationship of factors affecting consumers' behaviors in buying green products
(2018-01-01)
Atthirawong, Walailak
;
Panprung, Wariya
;
Leerojanaprapa, Kanogkan
The main purpose of this paper is to analyze factors influencing consumers' behaviors in buying green products by applying Decision-making Trial and Evaluation Laboratory (DEMATEL) method. Nine criteria i.e. perception on environmental concerns (A), safety and health concerns (B), green packaging (C), convenience to buy (D), environmental attitude (E), subjective norms (F), green product management (G), environmental laws (H) and perceived value (I) were employed from the previous study by Atthirawong and Panprung (2017). In this study, six experts were involved in order to determine the degree of direct influence between two factors through a pairwise comparison. The results revealed that the top three important criteria affecting consumers in buying green products are environmental attitude (E), safety and health concerns (B) and green product management (G), respectively. Furthermore, a cause and effect relation diagram was also constructed to gain a better understanding of the interactive relationship between those criteria. It was found that subjective norm (F) has the most influence on other factors, whereas perception on environmental concerns (A) gets the most impact from other factors. Finally, this paper provides some practical suggestions for relevant agencies and policy makers based on the analysis.
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Management practices of Thai silk product
(2015-01-01)
Leerojanaprapa, Kanogkan
;
Atthirawong, Walailak
Thai silk is one of Thailand’s most well-known products, which is considered as the best silk in the world. It is famous for its bearing uniqueness features, beautiful designs, bright colors and elegant quality. Silk weaving is a long-established folk craft passed down from generation to generation that resembles the region’s cultural heritage. It pays an important role to the foundation of Thai local economy for centuries.Thai products produced by local communities using indigenous skills and craftsmanship combined with available natural resources and raw materials. However, it is widely accepted that there exists a managerial gap in many small or micro-sized enterprise, many activities may not be enough to make those products are sustainable. Understanding the key issues affected Thai silk entire chain is an important step to improve the competitiveness of those products. In this paper, case studies are therefore conducted, as part of a research project to examine the current stage. The SCOR model is employed to identify challenges and pinpoint weaknesses in management practices also in what processes have an effect on inefficiency within the supply chain before radical suggestions improvements. This paper intends to report two case studies of Thai silk products and concludes with a summary of key issues that are raised in the fieldwork. Finally, conclusions and recommendations for further development of the main study are also provided in the paper.
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Inventory Management for Consumer Products: A Distribution Center in Thailand
(2022-01-01)
Leerojanaprapa, Kanogkan
;
Bhundarak, Komn
;
Atthirawong, Walailak
;
Sirikasemsuk, Kittiwat
The objective of the study is to formulate an appropriate order quantity policy. A best-selling product, a cleaner fresher mouth, was selected to be a representative of this study. Monthly Sales data of the cleaner fresher product was collected from January 2013 to December 2021, for 9 years, to forecast the sales of each product. Two forecasting techniques i.e. Exponential Smoothing and Box-Jenkins methods were compared to select the appropriate forecasting method by using MSE criterion. It was found that the Triple Exponential Method was the suitable forecasting model to forecast demand for the cleaner fresher products. These forecast values were then applied in inventory planning to determine the order policy by using Economic Order Quantity (EOQ) method of inventory management. The results found that EOQ technique resulted in a reduction in total cost rather than the company's current technique by 27.80%•
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Measuring the Efficiency of Thai Commercial Banks during the COVID-19 Pandemic by Data Envelopment Analysis
(2022-08-26)
Leerojanaprapa, Kanogkan
;
Bhundarak, Komn
;
Atthirawong, Walailak
;
Sirikasemsuk, Kittiwat
This study intends to measure the comparative efficiency of Thai Commercial Banks. The performance data has been collected over the past 2 years, between 2020 and 2021 during the COVID-19 pandemic and then compared to performance during the normal period of 2017-2018. Data Envelopment Analysis (DEA) using Variable Return to Scale (VRS) is applied to measure banking performance. Through Intermediation Approach, specific input variables are considered: employee expenses, directors' remuneration expenses, premises and equipment expenses and deposits. The output variables, including loans to customers and investment, are also analyzed.The same time, through the Production Approach, these specific input variables are analyzed: employee expenses, directors' remuneration expenses, premises and equipment expenses, fees and service expenses, taxes and duties and interest expenses. The output variables, including interest income, fee and service income, deposit, and loans to customers, are used to analyze the efficiency. The results of analysis with the Intermediation Approach indicate 5 of 13 Thai Commercial Banks were considered relatively inefficient including BAY, BBL, KBANK, SCB and SCBT. In addition, CIMB is 1 of 13 Thai Commercial Banks is considered as relatively inefficient under the Production Approach.
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USING A MULTI-CRITERIA DECISION MAKING APPROACH IN CONJUNCTION WITH A DELPHI STUDY TO IDENTIFY FACTORS INFLUENCING POLLUTANT EMISSIONS
(2023-01-01)
Atthirawong, Walailak
;
Leerojanaprapa, Kanogkan
;
Somboonwiwat, Tuanjai
;
Luangpaiboon, Pongchanan
Pollution is currently a major concern in Thailand and other countries around the world. The Thai government has made environmental degradation a priority, emphasizing the benefits of reducing pollution generated by heavy industries. To be successful, a variety of efforts and authority at all levels are required. This study adds to the existing literature on identifying factors that reduce pollution emissions in the plastic industry using a multi-criteria decision-making (MCDM) approach. Two-phase methodologies were used to identify and rank such factors from a practical standpoint. From the first phase, two rounds of the Delphi method yielded three main criteria and 12 sub-criteria. Regarding that, the Analytical Hierarchy Process (AHP) was used to rank those factors. The findings indicated that the top three sub-criteria for According to the findings, the top three sub-criteria for reducing pollution emissions were "determination of standard improvement of pollution discharge at source clearly" (19.55%), "improvement of production efficiency" (15.32%), and "set up action plans for emergency pollution accidents from industry" (11.04%), respectively. Among the main factors, "Source reduction" has the highest rank (40.4%). Finally, this study discussed recommendations for entrepreneurs and policymakers.

Leerojanaprapa, Kanogkan

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