This Year in School Science 1990: Asessment in the Service of Instruction,Audry B. Champagne,Barbara E. Lovitts and Betty J. Calinger. 1990. American Assoc. for Advancement of Science,Waldorf,MD. 210 pages. ISBN: 0-87168-390-3. $19.95

This Year in School Science 1990: Asessment in the Service of Instruction,Audry B. Champagne,Barbara E. Lovitts and Betty J. Calinger. 1990. American Assoc. for Advancement of Science,Waldorf,MD. 210 pages. ISBN: 0-87168-390-3. $19.95

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