Adam، A. I. A.، و Al-Masrey، A. H. S. (2020). The Effects of Regular Training on Service Quality at Facilities Management Services Providers: Case Study Grosvenor Services ltd. Company and Redco Services ltd. Company. مجلة إدارة الجودة الشاملة، مج21, ع1 ، 59 - 71. مسترجع من http://search.mandumah.com/Record/1089582
Adam، Abdelmutalab Ibrahim Abdelrasul، و Alaa Hashem Sayed Al-Masrey. "The Effects of Regular Training On Service Quality At Facilities Management Services Providers: Case Study Grosvenor Services Ltd. Company and Redco Services Ltd. Company." مجلة إدارة الجودة الشاملة مج21, ع1 (2020): 59 - 71. مسترجع من http://search.mandumah.com/Record/1089582