Vichea และ Chon. (2005) HIV preventive behaviors among high school male students in Phnom Penh city, Combodia : an application of health belief model. Mahidol University,:ม.ป.ท.Vichea และ Chon. 2005. HIV preventive behaviors among high school male students in Phnom Penh city, Combodia : an application of health belief model. ม.ป.ท.:Mahidol University,;Vichea และ Chon. HIV preventive behaviors among high school male students in Phnom Penh city, Combodia : an application of health belief model. ม.ป.ท.:Mahidol University, 2005. Print.