1. Arbuckle, J. L. (2006). Amos 7.0 User’s guide. Spring House, PA: Amos Development.
2. Attachment and exploratory behavior of one-year-olds in strange situation;Ainsworth;Determinants of Infant Behavior,1969
3. Classroom management, bullying, and teacher practices;Allen;The Professional Educator,2010
4. The inventory of parent and peer attachment: Individual differences and their relationship to psychological well-being in adolescence;Armsden;Journal of Youth and Adolescence,1987
5. Bowlby, J. (1969). Attachment and loss. New York: Basic Books.