Buathongrueang, kannika, Chamaporn Meechana, Jiratchaya Bunchuay, and Siwawong Petchjul. 2026. “Cost and Return Analysis of the Value Chain of Fallen Oil Palm Fruits into Community-based Products”. Journal for Community Development and Life Quality 14 (3):68-80. https://so02.tci-thaijo.org/index.php/JCDLQ/article/view/279182.