Nualnapa Kasemvilawan และ Rujira Wattanayingcharoenchai. (2011) Changes in sexual behavior among AIDS patients. Mahidol University:ม.ป.ท.Nualnapa Kasemvilawan และ Rujira Wattanayingcharoenchai. 2011. Changes in sexual behavior among AIDS patients. ม.ป.ท.:Mahidol University;Nualnapa Kasemvilawan และ Rujira Wattanayingcharoenchai. Changes in sexual behavior among AIDS patients. ม.ป.ท.:Mahidol University, 2011. Print.