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2. The color of success;Allen;Harvard Educational Review,1992
3. Allen, W. R., Epps, E. G., & Haniff, N. Z. (Eds.). (1991). African American students in predominantly white and in historically black public universities. College in black and white: Albany: State University of New York Press.
4. What matters in college? four critical years revisited;Astin,1993
5. Prospective teachers’ perceptions of ethnic & gender differences in academic achievement;Avery;Journal of Teacher Education,1993