TY - BOOK AU - Long, Larry E. AU - ED - ED - ED - ED - SN - 0135493943 (hardcover) SN - 2 PY - 1983///.;copyright 1983.46 CY - Englewood Cliffs, NJ PB - Prentice-Hall KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Management information systems N1 - Includes bibliography and index; 5; Professional ER -