Hallinan, M. T. & Kubitschek, W. N. (1999). Curriculum differentiation and high school achieve- ment. Social Psychology of Education, 2, 1-22.
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Hallinan, M. T., Kubitschek, W. N. (1999). Curriculum differentiation and high school achieve- ment. Social Psychology of Education, 2 pp. 1-22.
(xsd:string)