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دليل المستخدم
Hadjadj، A.، و Nehaoua، L. (2023). The Effects of the Covid-19 Pandemic on Algerian Sports Federation Management: Case Study of Football, Handball and Volleyball Federations. مجلة التحدي، مج15, ع1 ، 563 - 578. مسترجع من http://search.mandumah.com/Record/1359898
Hadjadj، Ahmed، و Lounise Nehaoua. "The Effects of the Covid-19 Pandemic On Algerian Sports Federation Management: Case Study of Football, Handball and Volleyball Federations." مجلة التحدي مج15, ع1 (2023): 563 - 578. مسترجع من http://search.mandumah.com/Record/1359898