Services, T. M. E. L. f. E. (2025). Ministry of Housing and Urban Communities Decree No. 412 of the Year 2017 Regarding The Egyptian Federation For Construction and Building Contractors = وزارة الإسكان والمرافق والمجتمعات العمرانية قرار رقم 412 لسنة 2017. The Middle East Library for Economic Services.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Services, The Middle East Library for Economic. Ministry of Housing and Urban Communities Decree No. 412 of the Year 2017 Regarding The Egyptian Federation For Construction and Building Contractors = وزارة الإسكان والمرافق والمجتمعات العمرانية قرار رقم 412 لسنة 2017. The Middle East Library for Economic Services, 2025.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Services, The Middle East Library for Economic. Ministry of Housing and Urban Communities Decree No. 412 of the Year 2017 Regarding The Egyptian Federation For Construction and Building Contractors = وزارة الإسكان والمرافق والمجتمعات العمرانية قرار رقم 412 لسنة 2017. The Middle East Library for Economic Services, 2025.