Tshering และ Karma. (1994) Evaluation of the effectiveness of health education on STDs, AIDS family planning and reproductive physiology through posters in Ratchaburi province. Mahidol University,:ม.ป.ท.Tshering และ Karma. 1994. Evaluation of the effectiveness of health education on STDs, AIDS family planning and reproductive physiology through posters in Ratchaburi province. ม.ป.ท.:Mahidol University,;Tshering และ Karma. Evaluation of the effectiveness of health education on STDs, AIDS family planning and reproductive physiology through posters in Ratchaburi province. ม.ป.ท.:Mahidol University, 1994. Print.