Science for all children : a guide to improving elementary science education in your school district - National Science Resources Center (U.S.) (Washington, D.C. : National Academy Press, 1997)
Includes bibliographical references (p. 193-195) and index.
Keywords: Science -- Study and teaching (Elementary) -- United States; Science -- Study and teaching (Elementary) -- United States -- Case studies; Problem-based learning -- United States; Problem-based learning -- United States -- Case studies