TY  - BOOK
AU  - Howland,Richard H.
TI  - Programmed learning aid for principles of salesmanship
SN  - 025601261X
AV  - HF5438.2'H69 
PY  - 1972///
CY  - Homewood, IL
PB  - Learning Systems
KW  - Selling
KW  - Programmed instruction
UR  - http://www.archive.org/details/programmedlearni00howl
UR  - http://www.openlibrary.org/books/OL19826302M
ER  -