Bayubay, E. P. c. (1982). The Kalinga peace pact system: Its implication for the social studies curriculum in the area.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBayubay, Emilia Pallayoc- c1942-. The Kalinga Peace Pact System: Its Implication for the Social Studies Curriculum in the Area. 1982.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBayubay, Emilia Pallayoc- c1942-. The Kalinga Peace Pact System: Its Implication for the Social Studies Curriculum in the Area. 1982.
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