el hefny, a. (1965). decision making systems in management. National Planning Institute.
Chicagoスタイル(17版)引用形式el hefny, amina. Decision Making Systems in Management. cairo: National Planning Institute, 1965.
MLA(9版)引用形式el hefny, amina. Decision Making Systems in Management. National Planning Institute, 1965.
警告: この引用は必ずしも正確ではありません.