Betts, J., Morell, D. The Determinants of Undergraduate Grade Point Average. 1999 pp. 268 -293,.
Betts, J., Morell, D. The Determinants of Undergraduate Grade Point Average. 1999 pp. 268 -293,.
Betts, J., Morell, D. (1999) The Determinants of Undergraduate Grade Point Average, pp. 268 -293,.
Betts, J., & Morell, D. (1999). The Determinants of Undergraduate Grade Point Average. The Relative Importance of Family Background, High School Resources, and Peer Group Effects. pp. 268 -293.
Betts J, Morell D. The Determinants of Undergraduate Grade Point Average: The Relative Importance of Family Background, High School Resources, and Peer Group Effects. 1999. p. pp. 268 -293.