Etzion, D. & Romi, S. (2015)
Typology of youth at risk. Children and Youth Services Review 59, 184–195
Tam, F. Wai-ming, Zhou, H, & Harel-Fisch, Y. (2012)
Hidden School Disengagement and Its Relationship to Youth Risk Behaviors: A Cross- Sectional Study in China. International Journal of Education, 4 (2), 87-106.
