Workteks sa araling panlipunan Eleanor D. Antonio. Evangeline M. Dallo. Consuelo M. Imperial. Celia D. Soriano. text Manila Rex Book Store, Inc. c2010 Binagong ed. monographic viii, 464 p. ; 25 cm. Maria Carmelita B. Samson et.al. Includes glossary, bibliography and index. History Asia Fil. 300.712 K23 2010 978-971-23-5398-7