Siriya Pimpakai. (2007) Knowledge, attitude and behavior towards prevention of HIV infection among male factory workers in Rayong province. Mahidol University,:ม.ป.ท.Siriya Pimpakai. 2007. Knowledge, attitude and behavior towards prevention of HIV infection among male factory workers in Rayong province. ม.ป.ท.:Mahidol University,;Siriya Pimpakai. Knowledge, attitude and behavior towards prevention of HIV infection among male factory workers in Rayong province. ม.ป.ท.:Mahidol University, 2007. Print.