Cost-Effectiveness of Two Math Programs as Moderated by Pupil SES.Published in:Educational Evaluation & Policy Analysis, 1984, v. 6, n. 1, p. 39, doi. 10.3102/01623737006001039By:Quinn, Bill;van Mondfrans, Adrian;Worthen, Blame R.Publication type:Article
Summer Program of a Utah District.Published in:Journal of Education, 1930, v. 112, n. 13, p. 318, doi. 10.1177/002205743011201308By:Jensen, D. C.Publication type:Article