Chheang Sangvath. (2008) Effectiveness on training information and communication technology by Khmer language software : a case study of the National Institute of Education Cambodia. Mahidol University,:ม.ป.ท.Chheang Sangvath. 2008. Effectiveness on training information and communication technology by Khmer language software : a case study of the National Institute of Education Cambodia. ม.ป.ท.:Mahidol University,;Chheang Sangvath. Effectiveness on training information and communication technology by Khmer language software : a case study of the National Institute of Education Cambodia. ม.ป.ท.:Mahidol University, 2008. Print.