Perez, E. J. (1970). Conceptual approach in the teaching of social studies in elementary school.
Citación estilo ChicagoPerez, Efigenia J. Conceptual Approach in the Teaching of Social Studies in Elementary School. 1970.
Cita MLAPerez, Efigenia J. Conceptual Approach in the Teaching of Social Studies in Elementary School. 1970.
Warning: These citations may not always be 100% accurate.