TY  - BOOK
AU  - Thomas,George Isaiah
AU  - Crescimbeni,Joseph
TI  - Enseñanza individualizada por materias por
AV  - LB1031 .T55
U1  - 372.1/2/54 
PY  - 1970///]
CY  - Madrid
PB  - Editorial Magisterio Español
KW  - Individualized instruction
KW  - Local
KW  - Education , Elementary
KW  - Curricula
N1  - Translation of : Individualizing instruction in the elementary school; Bibliography: p. [481]-489
ER  -