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Lua i Stíl Chicago (17ú heag.)Quinto, Miguel P., Grace Shangkuan Koo, Maria Vanessa L. Oyzon, agus Teodora M. Salubayba. Academic Achievement and Self-perception, Motivation, Goal Valuation, and School Attitude Among Students in High and Low SES. Quezon City: College of Education, University of the Philippines Diliman, 2021.
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