TY  - BOOK
TI  - SCHOOL SCIENCE AND MATHEMATICS
SN  - 0036-6803
PY  - 1901///
CY  - EUA
PB  - School Science and Mathematics Association
KW  - EDUCACION FORMAL
KW  - METODOS DE ENSEÑANZA
KW  - MATEMATICA
KW  - INSTRUCCION
ER  -