Kamoltip Arthaud และผู้แต่งคนอื่นๆ. (2008) Household expenditure for children's education. National Institute of Development Administration:ม.ป.ท.Kamoltip Arthaud และผู้แต่งคนอื่นๆ. 2008. Household expenditure for children's education. ม.ป.ท.:National Institute of Development Administration;Kamoltip Arthaud และผู้แต่งคนอื่นๆ. Household expenditure for children's education. ม.ป.ท.:National Institute of Development Administration, 2008. Print.