Ferrer, Lourdes M. B.E.S.T. (building effective strategies for teaching) of science / Lourdes M. Ferrer. - Manila : Rex Book Store, c2008. - 234 pages : illustrations ; 22 cm References : p. 222-225. ISBN: 9789712350443 Subjects--Topical Terms: Group work in education LC Class. No.: LB1032 / F41 2008