Monruedee Sangwong และ Kamol Udol. (2013) Prevalence and related factors of suicidal ideation among undergraduate students in two universities in northeastern Thailand. Mahidol University:ม.ป.ท.Monruedee Sangwong และ Kamol Udol. 2013. Prevalence and related factors of suicidal ideation among undergraduate students in two universities in northeastern Thailand. ม.ป.ท.:Mahidol University;Monruedee Sangwong และ Kamol Udol. Prevalence and related factors of suicidal ideation among undergraduate students in two universities in northeastern Thailand. ม.ป.ท.:Mahidol University, 2013. Print.