Padpad, Evelyn C., The new science links teacher's resource material 6/ Evelyn Castante-Padpad. - Revised Edition - Quezon City: Rex Book Store, 2017. - Ix, 208 pages : illustrations, tables, figures 26 cm. English ISBN: 978-971-23-8485-1 Subjects--Topical Terms: Science. Dewey Class. No.: 500 / C346t