Xayavong และผู้แต่งคนอื่นๆ. (2017) Child labor and school dropout in least-developed countries: Empirical evidence from Lao PDR. National Institute of Development Administration:ม.ป.ท.Xayavong และผู้แต่งคนอื่นๆ. 2017. Child labor and school dropout in least-developed countries: Empirical evidence from Lao PDR. ม.ป.ท.:National Institute of Development Administration;Xayavong และผู้แต่งคนอื่นๆ. Child labor and school dropout in least-developed countries: Empirical evidence from Lao PDR. ม.ป.ท.:National Institute of Development Administration, 2017. Print.