Ahmed, A. M., & El Daoushy, A. (2006). An integer programming model for solving the problem of school timtable: A research project submitted in partial fulfillment of the requirement for (I N P) diploma. The institute of national planning.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ahmed, Ahmed Mustafa, و Abdalla El Daoushy. An Integer Programming Model for Solving the Problem of School Timtable: A Research Project Submitted in Partial Fulfillment of the Requirement for (I N P) Diploma. Cairo: The institute of national planning, 2006.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Ahmed, Ahmed Mustafa, و Abdalla El Daoushy. An Integer Programming Model for Solving the Problem of School Timtable: A Research Project Submitted in Partial Fulfillment of the Requirement for (I N P) Diploma. The institute of national planning, 2006.