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 "Khan, Dilawar Ali",Central place theory as basis for the spatial reorganization of Pakistan's rural landscape,,SSIP-Schriften,1975,"Occasional papers, materialien zur Reihe Sozialökonomische Schriften zur Agrarentwicklung",,,,https://cir.nii.ac.jp/crid/1130282269091658624