Castueras, Daven O. Performance of learners in araling panlipunan IV : a basis for the development of a validated strategic intervention package / Daven O. Castueras. - Balaoan, La Union : 2017. - xix, 154 pages : illustration ; 28 centimeter. Bibliography: pages 142-144. Subjects--Topical Terms: Teaching--Araling Panlipunan. Dewey Class. No.: TH 371.1 C27p 2017