Witoon Chotikulpisarn. (2005) The development of a nature interpretive guidebook of Thalae Noi non-hunting area for the tourists. Mahidol University,:ม.ป.ท.Witoon Chotikulpisarn. 2005. The development of a nature interpretive guidebook of Thalae Noi non-hunting area for the tourists. ม.ป.ท.:Mahidol University,;Witoon Chotikulpisarn. The development of a nature interpretive guidebook of Thalae Noi non-hunting area for the tourists. ม.ป.ท.:Mahidol University, 2005. Print.