Sutthi Suntharanurak และผู้แต่งคนอื่นๆ. (2012) Screening for bid rigging in rural road procurement of Thailand. National Institute of Development Administration:ม.ป.ท.Sutthi Suntharanurak และผู้แต่งคนอื่นๆ. 2012. Screening for bid rigging in rural road procurement of Thailand. ม.ป.ท.:National Institute of Development Administration;Sutthi Suntharanurak และผู้แต่งคนอื่นๆ. Screening for bid rigging in rural road procurement of Thailand. ม.ป.ท.:National Institute of Development Administration, 2012. Print.