Suwimon Nunta และผู้แต่งคนอื่นๆ. (2009) Health care utilization and impacts of acute illness on wealth of aging population in Thailand. National Institute of Development Administration:ม.ป.ท.Suwimon Nunta และผู้แต่งคนอื่นๆ. 2009. Health care utilization and impacts of acute illness on wealth of aging population in Thailand. ม.ป.ท.:National Institute of Development Administration;Suwimon Nunta และผู้แต่งคนอื่นๆ. Health care utilization and impacts of acute illness on wealth of aging population in Thailand. ม.ป.ท.:National Institute of Development Administration, 2009. Print.