The Basics of Item Response Theory Using R Autor Frank B. Baker et al. 18 mai 2017 Hardback Preț: 851.84 lei 1038.83 lei 6-8 săpt. -18%
Item Response Theory: Parameter Estimation Techniques, Second Edition Statistics: A Series of Textbooks and Monographs Editat de Frank B. Baker et al. 20 iul 2004 Hardback Preț: 1078.95 lei 1315.79 lei 6-8 săpt. -18%