TY  - BOOK
AU  - Popham, Estelle L.
AU  - Schrag, Adele Frisbie
AU  - Blockhus, Wanda
TI  - A teaching-learning system for business education
U1  - 650.7 
PY  - 1975///
CY  - New York
PB  - Gregg Division, McGraw-Hill
KW  - Business education
ER  -