el- sayed, a. (1964). l' impot d' education propoition a conmenter. the institute of national planning.
Chicagoスタイル(17版)引用形式el- sayed, atef. L' Impot D' Education Propoition a Conmenter. cairo: the institute of national planning, 1964.
MLA(9版)引用形式el- sayed, atef. L' Impot D' Education Propoition a Conmenter. the institute of national planning, 1964.
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