(1956). Report of the first international conference on educational research, Atlantic city, New Jersey, U S A. February, 1956. Sponsored by The American Educational Research Association ( a departement of the National Education Association ) in co - operation with Unesco. [ Paris.

Report of the First International Conference On Educational Research, Atlantic City, New Jersey, U S A. February, 1956. Sponsored By The American Educational Research Association ( a Departement of the National Education Association ) in Co - Operation With Unesco. [ Paris, 1956.

Report of the First International Conference On Educational Research, Atlantic City, New Jersey, U S A. February, 1956. Sponsored By The American Educational Research Association ( a Departement of the National Education Association ) in Co - Operation With Unesco. [ Paris, 1956.