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Authors: WALBERG HJ LU DX NIEMIEC RP WALBERG HJ
Citation: Hj. Walberg et al., A TECHNIQUE FOR OBJECTIVE ANALYSIS OF QUALITATIVE EVALUATION DATA, Evaluation practice, 18(1), 1997, pp. 55-64

Authors: NIEMIEC RP SIKORSKI C WALBERG HJ
Citation: Rp. Niemiec et al., LEARNER-CONTROL EFFECTS - A REVIEW OF REVIEWS AND A METAANALYSIS, Journal of educational computing research, 15(2), 1996, pp. 157-174

Authors: WALBERG HJ NIEMIEC RP
Citation: Hj. Walberg et Rp. Niemiec, IS CHICAGO SCHOOL-REFORM WORKING, Phi Delta Kappan, 75(9), 1994, pp. 713-715

Authors: WALBERG HJ NIEMIEC RP
Citation: Hj. Walberg et Rp. Niemiec, VALIDATING EXEMPLARY PROGRAMS - METHODS AND CRITERIA, Educational evaluation and policy analysis, 15(4), 1993, pp. 429-436
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