Perez, E. J. (1970). Conceptual approach in the teaching of social studies in elementary school.
Chicago Style (17th ed.) CitationPerez, Efigenia J. Conceptual Approach in the Teaching of Social Studies in Elementary School. 1970.
MLA citiranjePerez, Efigenia J. Conceptual Approach in the Teaching of Social Studies in Elementary School. 1970.
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