TY - GEN AU - Koontz, Harold and Weihrich, Heinz TI - Essentials of management: an international and leadership perspective SN - 9781259005121; 9789339222864 U1 - 658 KOO PY - 2013///; 2017 CY - New Delhi PB - Tata McGraw Hill Education, N1 - 1. Management - Theory and Principles ER -