Tangco, B. L. (2011). Education and sciences in development of societies. Philippiniana Sacra.
Chicago-viite (17. p.)Tangco, Belen Lorezca. "Education and Sciences in Development of Societies." Philippiniana Sacra 2011.
MLA-viite (9. p.)Tangco, Belen Lorezca. "Education and Sciences in Development of Societies." Philippiniana Sacra, 2011.
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