Onpraparn Thavepthavolvong และ Sudsabuy Chulakadabba. (2016) The study of forgiveness among vocational students in Bangkok. Mahidol University:ม.ป.ท.Onpraparn Thavepthavolvong และ Sudsabuy Chulakadabba. 2016. The study of forgiveness among vocational students in Bangkok. ม.ป.ท.:Mahidol University;Onpraparn Thavepthavolvong และ Sudsabuy Chulakadabba. The study of forgiveness among vocational students in Bangkok. ม.ป.ท.:Mahidol University, 2016. Print.