Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL United Nations. General Assembly. Committee on Information from Non-Self-Governing Territories,Special study on economic conditions and development : non-self-governing territories : summaries and analyses of information transmitted to the Secretary-General during 1951,,United Nations,1952,United Nations publication,,,,https://cir.nii.ac.jp/crid/1130282269175340800