el koussy, a. (1964). preconditions for educational planning. the institute of national planning.
Cita Chicago Style (17a ed.)el koussy, a.a. Preconditions for Educational Planning. cairo: the institute of national planning, 1964.
Cita MLA (9a ed.)el koussy, a.a. Preconditions for Educational Planning. the institute of national planning, 1964.
Precaución: Estas citas no son 100% exactas.