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 "Chaudhry, Muhammad Aslam and Heisey, Paul W.",Production and marketing of wheat seed in Punjab,,"Directorate of Agricultural Policy and Chemonics International Consulting Division for the Economic Analysis Network Project in collaboration with the Ministry of Food, Agriculture, and Cooperatives, Govt. of Pakistan and United States Agency for Interna",1988,Special report series,,,,https://cir.nii.ac.jp/crid/1130000794030987520