Toranin Charascharungkiat. (1989) Incisor position in Thai normal occlusion. Mahidol University,:ม.ป.ท.Toranin Charascharungkiat. 1989. Incisor position in Thai normal occlusion. ม.ป.ท.:Mahidol University,;Toranin Charascharungkiat. Incisor position in Thai normal occlusion. ม.ป.ท.:Mahidol University, 1989. Print.