TY  - BOOK
AU  - Duncan,Delbert J.
TI  - Programmed learning aid for retailing : : modern concepts and practices 
T2  - Irwin programmed learning aid series
AV  - HF5429 .D829
U1  - 658.87 
PY  - 1970///]
CY  - Homewood, Ill.
PB  - Learning Systems Co.
KW  - Retail trade
KW  - Management
KW  - Programmed instruction
N1  - Cover title: Self review in retailing: modern concepts and practices; A concise summary of the principles and methods of modern retailing based on the author's Retailing: principles and methods; Includes bibliographical references
ER  -