Wenham, Martin Understanding primary science : science knowledge for teaching / Martin Wenham, Peter Ovens - 3rd ed. - Los Angeles : SAGE, 2010 - xvii, 277 p. : ill. ; 24 cm. 1 CD-ROM (4 3/4 in.) ISBN: 9781848601185 1848601182 9781848601192 (pbk.) 1848601190 (pbk.) Subjects--Topical Terms: Science --Study and teaching (Elementary) LC Class. No.: Q158.5 / .W46 2010