Gonzales, Ma. Minerva A. <br/><br/>Teaching strategies in the social sciences for elementary grades Ma.Minerva A. Gonzales  - Quezon City:  Katha Publishing Corp. Incorporation;  [1989]  - viii, 94 pages  Illustrations  25 cm. <br/><br/>Bibliography ; pages 25 cm. <br/><br/><label>LC Class. No.: </label>LB  1025.3  / .T25341989