Pookpakdi, A. and Intaratat, K. (2001) “Training Agriculture Graduate Students in Farming System Research and Development for Better Understanding and Improved Sustainable Agriculture”, Kasetsart Journal of Social Sciences, 22(2), pp. 199–204. available at: https://so04.tci-thaijo.org/index.php/kjss/article/view/243498 (accessed: 14 September 2026).