Wathinee BoonchalaksiGuest, PhilipMahidol University. Institute for Population and Social Research2011-02-142011-02-141994-04-191994-04-19http://imsear.searo.who.int/handle/123456789/128941engInstitute for Population and Social Research: Mahidol UniversitySexual behaviorProstitutionSex oriented businessesReport, research