Masang B. An Evaluation of Incremental Income of Farmers Participated in Paddy Pledging Program Crop Year 1991/92. kasetsart J. Soc. Sci. [internet]. 1994 Jul. 1 [cited 2026 Sep. 11];15(2):119-28. available from: https://so04.tci-thaijo.org/index.php/kjss/article/view/243740