Lapsan, Watagran, Narueset Prasertsri, and Chatchai Thiengkamol. 2019. “Variables Affecting Economic Plant Cultivation Behavior for Environmental Conservation”. KASEM BUNDIT JOURNAL 20 (Feburary):146-56. https://so04.tci-thaijo.org/index.php/jkbu/article/view/173613.