TY  - BOOK
AU  - Hawes,Gene R.
AU  - Nyquist,Ewald B.
TI  - Open Education: a sourcebook for parents and teachers 
U1  - 371.3 
PY  - 1972///
CY  - New York, NY.
PB  - Bantam
KW  - Educación abierta
KW  - Educación
KW  - Métodos experimentales
ER  -