Irapta, A. C. (1987). The curriculum content of social studies III as perceived by the senior high school students of the Balara Academy, Diliman, Quezon City: Implications to development. s.n.
Παραπομπή σε μορφή Chicago (17η εκδ.)Irapta, Angelina C. The Curriculum Content of Social Studies III as Perceived by the Senior High School Students of the Balara Academy, Diliman, Quezon City: Implications to Development. s.l: s.n, 1987.
Παραπομπή σε μορφή MLA (9th εκδ.)Irapta, Angelina C. The Curriculum Content of Social Studies III as Perceived by the Senior High School Students of the Balara Academy, Diliman, Quezon City: Implications to Development. s.n, 1987.
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