Valleser และ Alma M. (1995) Effectiveness of health education on AIDS through group discussion among 15-25 year old male students in Commercial College in Bangkok, Thailand. Mahidol University,:ม.ป.ท.Valleser และ Alma M. 1995. Effectiveness of health education on AIDS through group discussion among 15-25 year old male students in Commercial College in Bangkok, Thailand. ม.ป.ท.:Mahidol University,;Valleser และ Alma M. Effectiveness of health education on AIDS through group discussion among 15-25 year old male students in Commercial College in Bangkok, Thailand. ม.ป.ท.:Mahidol University, 1995. Print.