Sitoe, C.Y. Conquer science for primary levels 5/6 C.Y. Sitoe ; Gan Yi Shen [executive editor] - Singapore : Singapore Asia Publishers Pte Ltd, 2011 - 257 pages : with ill. ; 26 cm. ISBN: 9789812749413 9812749411 Subjects--Topical Terms: Science -- Study and teaching (Elementary). Dewey Class. No.: Prof. 372.3 S6236c 2011