TY - BOOK AU - Duncan,Delbert J., Hollander, Stanley C. AU - Hermanson,Roger H. TI - Programmed Learning Aid for Retaling: Modern Concepts and Practices SN - 0256022453 U1 - 658.8/D911p PY - 1979/// CY - Illinois PB - Learning Systems KW - Retail Trade KW - Sales Presonnel N1 - Includes ER -