Counted ratings come from accounts older than 7 days and were made on or after publication. Finished readers weigh ×1.0. Readers who have not finished yet weigh ×0.5. Did-not-finish ratings are shown but not counted.
Editions
1 edition
Paperback · English · 2001
Peter Lang Publishing · 327 pages · 9780820452005
ScienceCase studiesStudy and teaching (Elementary)Science, study and teaching (elementary)
