Samroeng Saengtrong และ Sunee Kanyajit. (2012) The witness protection model for the royal Thai police. Mahidol University:ม.ป.ท.Samroeng Saengtrong และ Sunee Kanyajit. 2012. The witness protection model for the royal Thai police. ม.ป.ท.:Mahidol University;Samroeng Saengtrong และ Sunee Kanyajit. The witness protection model for the royal Thai police. ม.ป.ท.:Mahidol University, 2012. Print.