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