De Leon, Elmer B. Action research : for beginners in classroom- based context: A guide for Pre- Service teachers/ Elmer B. De Leon - Quezon City : Lorimar Publishing, c2019. - v , 136 pages : illustrations ; 26cm ISBN: 978-621-8035-67-6 Subjects--Topical Terms: 1. Action research in education Dewey Class. No.: Fil. 378.125 D346a 2019