Woraluck Himakalasa และ Siriwan Grisurapong. (2012) Equity in access to antiretroviral therapy : a case study of Chiang Mai province. Mahidol University:ม.ป.ท.Woraluck Himakalasa และ Siriwan Grisurapong. 2012. Equity in access to antiretroviral therapy : a case study of Chiang Mai province. ม.ป.ท.:Mahidol University;Woraluck Himakalasa และ Siriwan Grisurapong. Equity in access to antiretroviral therapy : a case study of Chiang Mai province. ม.ป.ท.:Mahidol University, 2012. Print.