TY  - BOOK
AU  - Boston, Robert E.,
TI  - How to write and use performance objetives to individualize instructions
AV  - LB1031 B67
PY  - 1972///-9999
CY  - Englewood cliffs
PB  - N. j. educational technology publs
KW  - Enseñanza individualizada
KW  - Educación
KW  - Métodos experimentales
ER  -