ISBN 0791425002 books & textbook
Portraits of Productive Schools: An International Study of Institutionalizing Activity-Based Practices in Elementary Science (SUNY Series in Science Education)
Hameyer, Uwe Ekholm, Mats van den Akker, Jan Anderson, Ronald D.
State University of New York Press /1995-08-17 Paperback / 190 Pages
isbn-10: 0791425002 / isbn-13: 9780791425008