Mingoa, Thelma R. Ph.D. , Duka, Ivan Marcelo A. , Ching, Johnny A. Ph.D. A Course Module for Teaching Science in Primary Grades (Biology and Chemistry) - Rex Book Store, Inc. - 254pages ISBN: 978-621-04-0388-6 Dewey Class. No.: Fil. 372.21 M1181 2020 C1