Piyathip Piyapan. (2000) Resource partitioning of sympatric ungulates in a dry tropical forest of western Thailand. Mahidol University,:ม.ป.ท.Piyathip Piyapan. 2000. Resource partitioning of sympatric ungulates in a dry tropical forest of western Thailand. ม.ป.ท.:Mahidol University,;Piyathip Piyapan. Resource partitioning of sympatric ungulates in a dry tropical forest of western Thailand. ม.ป.ท.:Mahidol University, 2000. Print.