el koussy, a. (1964). preconditions for educational planning. the institute of national planning.
Tohutoru Kātū Chicago (17th ed.)el koussy, a.a. Preconditions for Educational Planning. cairo: the institute of national planning, 1964.
Tohutoro MLA (9th ed.)el koussy, a.a. Preconditions for Educational Planning. the institute of national planning, 1964.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.