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
Praiphol Koomsup,Optimal export diversification models : a theoretical framework for Thai export crops,,"Thammasat University, Faculty of Economics",1980,Discussion paper series,,,,https://cir.nii.ac.jp/crid/1130000796024871808