Media type: E-Article Title: Formative evaluation of the individualized science program Contributor: Klopper, Leo E.; Champagne, Audrey B. Published: Elsevier BV, 1975 Published in: Studies in Educational Evaluation, 1 (1975) 2, Seite 109-122 Language: English DOI: 10.1016/0191-491x(75)90005-x ISSN: 0191-491X Keywords: Education Origination: Footnote: