Somboon Noppakunjaroenchai และผู้แต่งคนอื่นๆ. (2007) The implementation of indoor air quality management in hospitals in Thailand. National Institute of Development Administration:ม.ป.ท.Somboon Noppakunjaroenchai และผู้แต่งคนอื่นๆ. 2007. The implementation of indoor air quality management in hospitals in Thailand. ม.ป.ท.:National Institute of Development Administration;Somboon Noppakunjaroenchai และผู้แต่งคนอื่นๆ. The implementation of indoor air quality management in hospitals in Thailand. ม.ป.ท.:National Institute of Development Administration, 2007. Print.