TY - BOOK AU - Drucker,Peter F. TI - Management / : Tasks responsibilities practices SN - 0887306152 U1 - 658 21 PY - 1985/// CY - New York PB - Harper Business KW - LEMB KW - ADMINISTRATIÓN-ADMINISTRACIÓN KW - ECONOMY-ECONOMIA KW - BUSINESS ORGANIZATION-NEGOCIOS ORGANIZACIÓN ER -