Quisumbing, L. R. (1996). Values education through history: Peace & tolerance. UNESCO National Commission of the Philippines.
Chicago-viite (17. p.)Quisumbing, Lourdes R. Values Education Through History: Peace & Tolerance. Pasay City: UNESCO National Commission of the Philippines, 1996.
MLA-viite (9. p.)Quisumbing, Lourdes R. Values Education Through History: Peace & Tolerance. UNESCO National Commission of the Philippines, 1996.
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