el hefny, a. (1965). decision making systems in management. National Planning Institute.
Cita Chicago Style (17a ed.)el hefny, amina. Decision Making Systems in Management. cairo: National Planning Institute, 1965.
Cita MLA (9a ed.)el hefny, amina. Decision Making Systems in Management. National Planning Institute, 1965.
Precaución: Estas citas no son 100% exactas.