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