Peera Tangtammaruk และ Yoon Yong. (2014) Asymmetric Information in Commercial Sex Market, HIV, and Condom uses. Chulalongkorn University:ม.ป.ท.Peera Tangtammaruk และ Yoon Yong. 2014. Asymmetric Information in Commercial Sex Market, HIV, and Condom uses. ม.ป.ท.:Chulalongkorn University;Peera Tangtammaruk และ Yoon Yong. Asymmetric Information in Commercial Sex Market, HIV, and Condom uses. ม.ป.ท.:Chulalongkorn University, 2014. Print.