Hoffman, J. L., & Krajcik, J. S. (1999). Assessing the Nature of Learners' Science Content Understandings as a Result of Utilizing On-Line Resources.
Chicago Style (17th ed.) CitationHoffman, Joseph L., and Joseph S. Krajcik. Assessing the Nature of Learners' Science Content Understandings as a Result of Utilizing On-Line Resources. 1999.
MLA (9th ed.) CitationHoffman, Joseph L., and Joseph S. Krajcik. Assessing the Nature of Learners' Science Content Understandings as a Result of Utilizing On-Line Resources. 1999.
Warning: These citations may not always be 100% accurate.