S. A. Gebreyesus, “FACTORS AFFECTİNG THE EFFECTİVENESS OF BUDGET MANAGEMENT IN A CASE OF THE MİNİSTRY OF FİNANCE AND ECONOMİC COOPERATİON OF ETHİOPİA”, PEARSON, c. 7, sy 17, ss. 251–263, Şub. 2022.