Team, Support. “The Sample Selection Model: Application on The Farmers’ Decision of Rice Acreage : Woraphon Yamaka, Chaowana Phetcharat, Nattamon Teerakul, Thaya Navanugraha”. Thai Journal of Mathematics (October 30, 2017): 175–186. Accessed July 3, 2024. https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/654.