Manowang, Jiraporn, Nattawut Ngowan, and Wassana Sepha. “The Production Process of Paper from Leaves to Products”. RMUTP Research Journal Humanities and Social Sciences 8, no. 1 (June 23, 2023): 57–67. accessed September 28, 2026. https://so05.tci-thaijo.org/index.php/rmutphuso/article/view/264531.