-
421
-
422
-
423
-
424
-
425
Economic development and heritage of the Philippines a proposed teaching guide for social studies grade VI
Foilsithe / Cruthaithe 1981Tráchtas -
426
-
427
-
428
Social studies for the eighties, in elementary and middle schools
Foilsithe / Cruthaithe 1981LEABHAR -
429
-
430
An appraisal of certain observable behaviors of grade six children in science in the elementary school
Foilsithe / Cruthaithe 1980Tráchtas