The Future of Test-Based Educational Accountability Autor Katherine Ryan et al. 9 iun 2009 Paperback Preț: 433.62 lei 6-8 săpt.
Methods for Identifying Biased Test Items Measurement Methods for the Social Science, nr. 4 Autor Gregory Camilli et al. 24 mai 1994 Paperback Preț: 701.76 lei 855.80 lei 6-8 săpt. -18%