Institute National Planning. (1993). the current development in the methodolocy and applications of operations research obstacles and prospects in dveloping countries . Institute National Planning.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Institute National Planning. The Current Development in the Methodolocy and Applications of Operations Research Obstacles and Prospects in Dveloping Countries . cairo: Institute National Planning, 1993.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Institute National Planning. The Current Development in the Methodolocy and Applications of Operations Research Obstacles and Prospects in Dveloping Countries . Institute National Planning, 1993.
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