Chumee, A., Makchouy, P., & Hathaivaseawong Suksri, N. (2026). Development of Formulation and Quality Evaluation of a Functional Local Food Product for the Elderly in Khlong Prap Subdistrict, Ban Na San District, Surat Thani Province. Dusit Thani College Journal, 20(1), 46–60. retrieved from https://so01.tci-thaijo.org/index.php/journaldtc/article/view/286101