Perez, M. C., & Cordova, M. T. (2000). The relationship of sibship size and sources of motivation with academic achievement. University of the Philippines Diliman extension program in Pampanga.
Chicago Style (17th ed.) CitationPerez, Marcelle C., and Marie-Tessibeth T. Cordova. The Relationship of Sibship Size and Sources of Motivation with Academic Achievement. Pampanga: University of the Philippines Diliman extension program in Pampanga, 2000.
ציטוט MLAPerez, Marcelle C., and Marie-Tessibeth T. Cordova. The Relationship of Sibship Size and Sources of Motivation with Academic Achievement. University of the Philippines Diliman extension program in Pampanga, 2000.
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