GEMS leader's handbook

书目详细资料
企业作者:	Lawrence Hall of Science, GEMS (Project)
其他作者:	Barber, Jacqueline
格式:	图书
语言:	English
出版:	Berkeley, CA Great Explorations in Math and Science (GEMS), Lawrence Hall of Science, University of California 1997, c1988.
主题:	Mathematics > Study and teaching (Elementary). Science > Study and teaching (Elementary).