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 "Beeden, P.",The Feasibility of improved sole crop cotton production technology for the small-scale farmer in the Northern Guinea Savanna Zone of Nigeria,,"Institute for Agricultural Research, Samaru, Ahmadu Bello University",1976,Samaru miscellaneous paper,,,,https://cir.nii.ac.jp/crid/1130000797772758912