The Significance Test Controversy: A Reader Autor Ramon E. Henkel 30 noi 2006 Paperback Preț: 433.02 lei 6-8 săpt.
Tests of Significance Quantitative Applications in the Social Sciences, nr. 4 Autor Ramon E. Henkel 29 iun 1977 Paperback Preț: 283.20 lei 6-8 săpt.