Team, Support. “Coffee Stochastic Frontier Model With Maximum Entropy: Chatchai Khiewngamdee, Songsak Sriboonchitta, Somsak Chanaim, Chongkolnee Rungruang”. Thai Journal of Mathematics (October 30, 2017): 79–90. Accessed July 3, 2024. https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/647.