著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Pongtanakorn, Chaipant and Mūnnithi Sathāban Wičhai phư̄a Kānphatthanā Prathēt Thai and Macroeconomic Research Conference",A study of the impact of agricultural product price changes on labor absorbtion in Thai agriculture : a non-linear programming approach,,Thailand Development Research Institute Foundation,1987,Macroeconomic Research Conference : paper,,,,https://cir.nii.ac.jp/crid/1130000798177858432