Adams, A.: Even basic needs of young are not met. Falk School Library (1996). http://tc.education.pitt.edu/library/SelfEsteem
Ansari, Z.: Study habits and attitude of students, p. 40. National Institute of Psychology, Islamabad (1983)
Borahan, N., Ziarati, R.: Developing quality criteria for application in the higher education sector in turkey. Total Qual. Manag. 13(7), 913–26 (2002)
Goldstein, H.: Multilevel Statistical Models. Edward Arnold, London (1991)
Ijaiya, Y.: Effects of overcrowded classrooms on teacher student relationship. University of Ilorin (2010)
Kohli, T.K.: Characteristic behavioral and environmental correlates of academic achievement of over and under achievers at different levels of intelligence. Ph.D. Thesis, Punjab University (1975)
Laird, N., Ware, J.: Random effects models for longitudinal data. Biometrics 38, 963–974 (1986)
Longford, N.T.: Random Coefficient Models. Oxford University Press, Oxford (1993)
Sirohi, V.: Study of under achievement in relation to study habits and attitudes. J. Indian Educ. 19(2), 14–19 (2004)
Spelling, M. (ed.): Confidence: Helping Your Child Through Early Adolescence. ED Pubs (2005). http://www.ed.gov/parents/academic/help/adolescence/part8.html