Bu’Era, Abu-Bakr M. 1969. "VD CODICNICATIONS VOTES LYD CO, TH STUDIES IN JIES IN THE THEORY OF MANAGEMENT FAYOL AND TAYLOR (Comparative View)". دراسات في الاقتصاد والتجارة 5 (2). https://doi.org/10.37376/deb.v5i2.3082.