1. Bless C, Higson-Smith C 1995. Fundamentals of Social Research Methods: An African Perspective. Ken-wyn: Juta.
2. Dambudzo II 2009. The Relationship Between Learner Self-concept and Achievement in Secondary Schools in Zimbabwe. DEd Thesis, Unpublished. Pretoria: University of South Africa.
3. Deci EL, Ryan RM 1985. Intrinsic Motivation and Determination in Human Behavior. New York: Plenium.
4. Kushmand JW, Sieber C, Harold KP 2000. This is not the place for me: School dropout. American Counselling Association, pp. 471–507.
5. Marsh HW 1992. Self-description Questionnaire (SDQ) III: A Theoretical and Empirical Basis for the Measurement of Multiple Dimensions of Late Adolescent Self-concept. An Interim Test Manual and research Monograph. MacArthur, New South Wales, Australia: University of Western Sydney.