TY - BOOK AU - Lerner, Eugene M. AU - ED - ED - ED - ED - TI - : a systems approach SN - 2 PY - 1971///46 CY - New York PB - Harcourt Brace Jovanovich KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Finance N1 - Includes bibliographical references; 5 ER -