Acuna, J. E. (1977). Opportunity structure and cognitive growth. Science Education Center, University of the Philippines.
Citace podle Chicago (17th ed.)Acuna, Jasmin Espiritu. Opportunity Structure and Cognitive Growth. Quezon City: Science Education Center, University of the Philippines, 1977.
Citace podle MLA (9th ed.)Acuna, Jasmin Espiritu. Opportunity Structure and Cognitive Growth. Science Education Center, University of the Philippines, 1977.
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