TY  - BOOK
AU  - Dyer,Jean Royer
TI  - Understanding and evaluation educational research
SN  - 0201011840
AV  - LB1028 D9.8
PY  - 1979///
CY  - Massachusetts, EUA
PB  - Addison-Wesley
KW  - Educación
KW  - Investigación
ER  -