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1
Ikalahan tribesmen serve as environmentalist model [series]
الحاوية / القاعدة Philippine Daily Inquirer (1997)مقال -
2
Village shows how forest fruits save the trees / Maurice B. Malanes
الحاوية / القاعدة Manila Bulletin (1992)مقال -
3
Ikalahan patterns of social development and their implications for national integration [microform].
منشور في 1974Visual Material