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Author: search.filters.author.Sirirat, Sanawete

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    Structural Imbalance and Life-Cycle Cost Coverage in Vertical Greenery Systems: A Systematic Literature Review
    (2026-04-01)
    Phatthanaphan, Nitchaya
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    Wongvorachan, Tarid
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    Wutisun, Duangkamon
    ;
    Singkham, Sathirat
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    Petsirasan, Sippakorn
    Vertical greenery systems (VGS), including vertical gardens (VG) and green façades (GF), are increasingly promoted as nature-based solutions for sustainable urban development. Despite their environmental benefits, economic evaluation remains fragmented, particularly within a life-cycle cost (LCC) perspective. This study conducts a systematic literature review to examine the structural configuration of cost-related research on VGS within an LCC framework. Following the PRISMA protocol, 136 peer-reviewed articles published between 2021 and 2025 were identified through a structured search of the ScienceDirect database and retained as the analytical dataset. Bibliometric mapping, thematic classification, and co-occurrence analysis were applied to assess publication patterns, the distribution of cost components, and reporting structures. Five principal cost categories were identified: Installation and Operation, Maintenance, Consumables, Materials and Manufacturing, and Design. The results reveal a pronounced concentration on installation and maintenance costs, while design-phase economics and comprehensive LCC integration remain marginal. Most studies address only one or two cost categories, indicating structural fragmentation. In addition, heterogeneous reporting units and inconsistent contextual descriptors constrain cross-study comparability and cumulative synthesis. Collectively, the findings demonstrate that although cost research on VGS is expanding, it has not yet achieved methodological maturity within a standardized LCC framework. Advancing harmonized cost-reporting protocols and integrated life-cycle modeling is therefore essential to support robust economic evaluation and informed implementation of VGS in sustainable built environments.
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    The Hotel Architectural Design Factors Influencing Consumer Destinations: A Case Study of Three-Star Hotels in Hua Hin, Thailand
    (2024-08-01)
    Sirirat, Sanawete
    ;
    Thampanichwat, Chaniporn
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    Pongsermpol, Chotewit
    ;
    Moorapun, Chumporn
    This study employs a mixed-methods research design to explore the architectural design and service factors influencing consumer choices in three-star hotels in Hua Hin District, Prachuap Khiri Khan Province. Initial data were gathered through in-depth interviews with 60 architects, designers, and marketing experts to identify key factors. These factors were then used to conduct in-depth interviews with 70 Thai consumers and tourists. The qualitative data from both groups were analyzed using thematic content analysis to identify significant themes, while the quantitative data were assessed using chi-square goodness of fit tests to evaluate the significance of the identified factors. Findings indicate that aesthetic appeal, physical comfort, emotional comfort, and security and sensibility are critical in influencing hotel choice. These results provide valuable insights for hotel owners, designers, and marketers, emphasizing the importance of aligning hotel design and service offerings with consumer preferences. These factors will help create positive impressions, enhance satisfaction, and influence consumers’ decisions to choose and utilize hotel services.
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