TY - BOOK AU - Villegas, Bernardo Malvar. AU - ED - ED - ED - ED - TI - : text and case studies SN - 9715540767 (hardcover) SN - 2 PY - 1999///];copyright 199946 CY - Manila PB - Sinag-Tala KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Case studies KW - Managerial economics.;Managerial economics N1 - Includes index; 5 ER -