The fifty yearbook of the National Society for the Study of Education. Part I: Graduate study in education Brownell, William A. creator [et al.] (autor) text dictionary ^^^ 1951 monographic eng 309 p. XX Educación Graduación Licenciaturas en ciencias de la educación Titulos Estados Unidos 082.1 NSSE 50 P.1 (National Society for the Study of Education; 50. p.1) Acervo ITESO - Biblioteca 051605 20250521000000.0 000495290