Ketmany Chanthakoummane และ Pimonpan Isarabhakdi. (2010) Ethnicity and contraceptive use among currently married women of reproductive age in Lao PDR. Mahidol University:ม.ป.ท.Ketmany Chanthakoummane และ Pimonpan Isarabhakdi. 2010. Ethnicity and contraceptive use among currently married women of reproductive age in Lao PDR. ม.ป.ท.:Mahidol University;Ketmany Chanthakoummane และ Pimonpan Isarabhakdi. Ethnicity and contraceptive use among currently married women of reproductive age in Lao PDR. ม.ป.ท.:Mahidol University, 2010. Print.