S. Chaniang, W. Fongkaew, H. Sethabouppha, S. Lirtmunlikaporn, and K. G. Schepp, “Perceptions of Adolescents, Teachers and Parents towards Causes and Prevention of Suicide in Secondary School Students in Chiang Mai”, PRIJNR, vol. 23, no. 1, pp. 47–60, Dec. 2018.