Ali และ Mukhtar. (2000) Preventive behavior of Mahidol University students on HIV infection and AIDS. Mahidol University,:ม.ป.ท.Ali และ Mukhtar. 2000. Preventive behavior of Mahidol University students on HIV infection and AIDS. ม.ป.ท.:Mahidol University,;Ali และ Mukhtar. Preventive behavior of Mahidol University students on HIV infection and AIDS. ม.ป.ท.:Mahidol University, 2000. Print.