ODUN, E. P. (1993). Dasar-dasar Ekologi. Gajah Mada University.
Chicago Style (17th ed.) CitationODUN, Eugene P. Dasar-dasar Ekologi. Gajah Mada University, 1993.
MLA (8th ed.) CitationODUN, Eugene P. Dasar-dasar Ekologi. Gajah Mada University, 1993.
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