Chamsuk, Wawmayura

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Preferred name
Chamsuk, Wawmayura
Main Affiliation
Email
wawmayura.ch@kmitl.ac.th

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    Item type:Publication,
    An Analysis of how Customer Value, Service Innovation, and Brand Image Influence Chinese Online Travel Agency Customer Satisfaction and Loyalty
    (2024-01-01)
    Sun, Lei
    ;
    Chamsuk, Wawmayura
    ;
    Saengnoree, Amnuay
    ;
    Sornsaruht, Puris
    This study examines the relationships between customer value (CV), service innovation (SI), OTA brand image (IM), e-customer satisfaction (ECS), and e-customer loyalty (ECL) in the online travel industry. From February to March 2023, the authors collected and analyzed opinions from 361 Chinese online travel agency (OTA) users via confirmatory factor analysis (CFA) and partial least squares structural equation modeling (PLS-SEM) with AMOS Version 22. SPSS for Windows Version 24 was employed for descriptive statistics. The analysis revealed positive direct effects of CV (0.45), SI (0.60), and IM (0.35) on ECS, highlighting their importance in shaping customer satisfaction. ECS also had a strong direct effect on ECL (0.75), emphasizing its role in driving loyalty. Additionally, CV and IM had indirect impacts on the ECL through the ECS (0.34 and 0.26, respectively). The model explains 82% of the variance in ECS and 89% in ECL. These findings offer strategic insights for OTAs, stressing the importance of enhancing CV, SI, and IM to improve ECS and ECL. The study discusses theoretical and practical implications, highlighting the importance of a customer-centric approach in the online travel industry.
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    Multi-phase structure electrospun CNF@Ag/Mn/Bi/Fe composite nanofiber enhanced supercapacitor behavior
    (2025-02-15)
    Sinprachim, Tanayt
    ;
    Klompong, Narit
    ;
    Chanlek, Narong
    ;
    Kidkhunthod, Pinit
    ;
    Maensiri, Santi
    This study presents the development of carbon-based multiphase metal oxide nanocomposites (CNF@MO<inf>x</inf>; M = Ag, Mn, Bi, and Fe) incorporating silver, manganese, bismuth, and iron nanoparticles within polyacrylonitrile (PAN)-derived carbon nanofibers. These nanocomposites were fabricated via the electrospinning technique with metal oxide concentrations of 10, 20, and 40 %w. This was followed by annealing in an argon atmosphere. The resulting nanofibers exhibited diameters ranging from 559 to 830 nm, with embedded nanoparticles measuring from 9 to 21 nm. Comprehensive characterization revealed that the nanofibers possessed uniform morphology, high porosity, and robust thermal stability. X-ray photoelectron spectroscopy (XPS) and X-ray absorption spectroscopy (XAS) confirmed the valence states of the metal oxides (Ag⁰, Bi³⁺, Mn²⁺, Mn³⁺, Fe²⁺, and Fe³⁺), which are integral to redox reactions and charge storage mechanisms. Among the fabricated composites, CNF@Ag/Mn/Bi/Fe-20 demonstrated the best electrochemical performance, achieving a specific capacitance of 156 F g<sup>−1</sup> at a scan rate of 2 mV s<sup>−1</sup> and outstanding cycling stability with a capacity retention of over 96 % after 1400 charge-discharge cycles. The synergistic combination of double-layer capacitance and pseudocapacitance mechanisms in these nanofibers represents a significant improvement over conventional electrode material. This study highlights CNF@Ag/Mn/Bi/Fe nanocomposites as highly promising candidates for advanced energy storage applications, particularly in supercapacitor technologies.
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    The Mediating Role of Green Supply Chain and Supply Chain Collaborative Innovation
    (2024-01-01)
    Pintuma, Sittichai
    ;
    Moryadee, Chanicha
    ;
    Chamsuk, Wawmayura
    ;
    Phochanikorn, Patchara
    ;
    Shaharudin, Mohd Rizaimy
    Manufacturers and consumers have become increasingly aware of the environmental impact of manufacturing and consumption. However, most businesses lack the commitment to adopt sustainable practices and transform themselves into a green business. This study aims to examine the factors that can influence sustainable supply chains within the plastic packaging industry of Thailand and formulate effective sustainable supply chain strategies. This research adopts a quantitative approach and examines 220 business operators in the Thai plastic packaging industry. Data are collected with a questionnaire and analysed using a structural equation model.Findings indicate that latent factors such as stakeholder-driven initiatives, green supply chain practices and supply chain collaborative innovation have a significant positive impact on sustainable supply chain management. In addition, the innovative use of renewable resources within the supply chain can facilitate the transformative shift in business operations and integration of economic and environmental activities to establish a sustainable industry network. The results can serve as valuable guidelines for entrepreneurs for facilitating product development, multichannel distribution, cost reductions, time efficiency and revenue growth. Future research should conduct cross-industry comparisons to analyse demand for and emphasis on green product manufacturing and explore variations in consumers'attitudes towards eco-friendly products and entrepreneurs'attitudes towards the plastic manufacturing industry.