Salilla Roujanavong. (2000) The effectiveness of a health education program on the development of AIDS preventive behaviors among first year female students of the private vocational colleges, Ratchaburi province. Mahidol University,:ม.ป.ท.Salilla Roujanavong. 2000. The effectiveness of a health education program on the development of AIDS preventive behaviors among first year female students of the private vocational colleges, Ratchaburi province. ม.ป.ท.:Mahidol University,;Salilla Roujanavong. The effectiveness of a health education program on the development of AIDS preventive behaviors among first year female students of the private vocational colleges, Ratchaburi province. ม.ป.ท.:Mahidol University, 2000. Print.