Palath Phanthoulack และ Saran Sarntisart. (2017) Determinants of antenatal care utilization in Lao PDR. National Institute of Development Administration:ม.ป.ท.Palath Phanthoulack และ Saran Sarntisart. 2017. Determinants of antenatal care utilization in Lao PDR. ม.ป.ท.:National Institute of Development Administration;Palath Phanthoulack และ Saran Sarntisart. Determinants of antenatal care utilization in Lao PDR. ม.ป.ท.:National Institute of Development Administration, 2017. Print.