Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
Ethiopia. YaMāʿekalāwi stātistiks bālaśelṭān and Population Analysis and Studies Center,Rural labour force survey--1987/88,,"Transitional Govt. of Ethiopia, Central Statistical Authority, Population Analysis and Studies Center",1992,Statistical bulletin,,,,https://cir.nii.ac.jp/crid/1130282272922523520