Buathongrueang, kannika, Meechana, C., Bunchuay, J., & Petchjul, S. (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. retrieved from https://so02.tci-thaijo.org/index.php/JCDLQ/article/view/279182