Impact Analysis for Program Evaluation Autor Lawrence B. Mohr 28 ian 1996 Paperback Preț: 826.85 lei 1008.36 lei 6-8 săpt. -18%
Understanding Significance Testing Quantitative Applications in the Social Sciences, nr. 73 Autor Lawrence B. Mohr 9 apr 1990 Paperback Preț: 283.40 lei 6-8 săpt.