Supalak Khemthong. (1999) Psychomotor effects of exercise in blind, deaf, and non-handicapped adolescents. Mahidol University,:ม.ป.ท.Supalak Khemthong. 1999. Psychomotor effects of exercise in blind, deaf, and non-handicapped adolescents. ม.ป.ท.:Mahidol University,;Supalak Khemthong. Psychomotor effects of exercise in blind, deaf, and non-handicapped adolescents. ม.ป.ท.:Mahidol University, 1999. Print.