Facts about materials - Batu Caves, Selangor : Pustaka Baiduri, 2006 - 32p. : col. ill. ; 25cm. - Explore and learn series . ISBN: 9833403115 Nat. Bib. No.: M07-08145 Subjects--Topical Terms: Science--Juvenile literatureMaterials--Juvenile literature Dewey Class. No.: 500