Barker, T. C. (1984). Shifting cultivation practices among the Ikalahans. Program on Environmental Science and Management.
Chicago Style aipamenaBarker, Thomas C. Shifting Cultivation Practices Among the Ikalahans. Los Banos, Laguna: Program on Environmental Science and Management, 1984.
MLA aipamenaBarker, Thomas C. Shifting Cultivation Practices Among the Ikalahans. Program on Environmental Science and Management, 1984.
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