Managerial economics / James L. Pappas, EugeneF. Brigham Pappas, James L. Brigham, Eugene F. Managerial economics. Managerial economics Case studies. HD30.22 .M36 658 PAM Includes bibliographies. Illinois : Dryden prees, 1979. 1979. 1979 Text xi, 261 p. ; eng