TY - BOOK AU - Drucker,Peter Ferdinand TI - The effective executive T2 - Harper colophon books SN - 006091209X (pbk.) AV - HD38.25.U6 D78 1985 U1 - 658.4 19 PY - 1985///, c1967 CY - New York PB - Harper & Row KW - Executives KW - United States KW - Decision-making N1 - Includes index ER -