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Nantiya Aksornkitti. (1998) Management information system for conservation of hornbills in Khao Yai National Park . Mahidol University/Bangkok.
Nantiya Aksornkitti. Management information system for conservation of hornbills in Khao Yai National Park. . Bangkok:Mahidol University, 1998.
Nantiya Aksornkitti. (1998) Management information system for conservation of hornbills in Khao Yai National Park . Mahidol University/Bangkok.