National Planning Institute, Fouad, A., El Adawy, S., & omar, a. (1993). The current development in the methodology and applications of operations operations research: Obstacles and prospects in developing countries. National Planning Institute،.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Planning Institute, Afaf Fouad, Saleh El Adawy, و amani omar. The Current Development in the Methodology and Applications of Operations Operations Research: Obstacles and Prospects in Developing Countries. cairo: National Planning Institute،, 1993.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)National Planning Institute, et al. The Current Development in the Methodology and Applications of Operations Operations Research: Obstacles and Prospects in Developing Countries. National Planning Institute،, 1993.