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 "Punjab Economic Research Institute and Iqbal, Muhammad Javaid","Socio-economic impact of rural roads : a case study in Gujranwala District, Pakistan",,Punjab Economic Research Institute,1985,Publication,,,,https://cir.nii.ac.jp/crid/1130000794622428288