Kamtorn Sheepchaiisara และผู้แต่งคนอื่นๆ. (2007) Major factors affecting Bangkok metropolitan district administration effectiveness. National Institute of Development Administration:ม.ป.ท.Kamtorn Sheepchaiisara และผู้แต่งคนอื่นๆ. 2007. Major factors affecting Bangkok metropolitan district administration effectiveness. ม.ป.ท.:National Institute of Development Administration;Kamtorn Sheepchaiisara และผู้แต่งคนอื่นๆ. Major factors affecting Bangkok metropolitan district administration effectiveness. ม.ป.ท.:National Institute of Development Administration, 2007. Print.