الدغيشم، عبدالعزيز جار الله، و الزامل، عبدالعزيز ناصر. (2022). Reasons of the Difference between both of the Expected and Actual Project Completion Periods: A Study of the Performance of Real Estate Development Companies in Riyadh City. مجلة دراسات الخليج والجزيرة العربية، س48, ع186 ، 19 - 61. مسترجع من http://search.mandumah.com/Record/1318948
الدغيشم، عبدالعزيز جار الله، و عبدالعزيز ناصر الزامل. "Reasons of the Difference between Both of the Expected and Actual Project Completion Periods: A Study of the Performance of Real Estate Development Companies in Riyadh City." مجلة دراسات الخليج والجزيرة العربية س48, ع186 (2022): 19 - 61. مسترجع من http://search.mandumah.com/Record/1318948