Somboonsuke, Buncha, and Purawich Phitthayaphinant. 2021. “Para-Rubber Farmer’s Household Livelihoods under Para-Rubber Monocropping Production System in Three Southern Border Provinces”. Trends of Humanities and Social Sciences Research 9 (2):224-44. https://so03.tci-thaijo.org/index.php/Humanties-up/article/view/243947.