Sax, G. Principles of educational measurement and evaluation - Wadsworth publishing Company California 1974 - 642p. - Educational measurements Intelligence Aptitude Academic achievements Personality ISBN: 0534003389 Nat. Bib. No.: 2630 Nat. Bib. Agency Control No.: 371.26SAX Subjects--Topical Terms: Education Universal Decimal Class. No.: 371.26 1