Monthon Ngernwattana และ Sanya Niumpradit. (2016) Model and directions of crime prevention and suppression system on child sex exploitation. Mahidol University:ม.ป.ท.Monthon Ngernwattana และ Sanya Niumpradit. 2016. Model and directions of crime prevention and suppression system on child sex exploitation. ม.ป.ท.:Mahidol University;Monthon Ngernwattana และ Sanya Niumpradit. Model and directions of crime prevention and suppression system on child sex exploitation. ม.ป.ท.:Mahidol University, 2016. Print.