Vadhana Subhavan. (1994) Prehistoric human remains from Tam Nai U-Bol, Amphoe Sai-Yok, Thailand. Mahidol University:ม.ป.ท.Vadhana Subhavan. 1994. Prehistoric human remains from Tam Nai U-Bol, Amphoe Sai-Yok, Thailand. ม.ป.ท.:Mahidol University;Vadhana Subhavan. Prehistoric human remains from Tam Nai U-Bol, Amphoe Sai-Yok, Thailand. ม.ป.ท.:Mahidol University, 1994. Print.