TY - BOOK AU - "COLBERG, MARSHALL R. FORBUSH, DASCOMB R. WHITAKER, GILBERT R. " TI - BUSINESS ECONOMICS: PRINCIPLES AND CASES U1 - 338.5  PY - 1970///  CY - CHARD D.IRWIN  PB - RICHARD D.IRWIN   KW - BUSINESS ECONOMICS: PRINCIPLES AND CASES N1 - -   ER -