TY  - BOOK
AU  - East,M
AU  - Dale, E.
TI  - Display for learning: : making and using visual materials
SN  - 220330112
AV  - DUCE LB1043.5.E3 
PY  - 1952///
CY  - New York
PB  - Holt, Rinehart and Winston
KW  - Visual education
ER  -