Gega, Peter C. Science in elementary education / Peter C. Gega, Joseph M. Peters. - 8th edition. - New Jersey : Merrill, an imprint of Prentice Hall, c1998. - x, 668 pages : black and white illustrations ; 24 cm., hardbound. Includes index and appendix. ISBN: 0136138527 Subjects--Topical Terms: Science--Study and teaching (Elementary). Dewey Class. No.: CIR 372.3 G229 1998