TY - BOOK AU - Velasquez, Manuel G. AU - ED - ED - ED - ED - TI - : concepts and cases SN - 9814009679 (paperback) SN - 2 PY - 1998///.46 CY - Singapore :;Singapore PB - Prentice-Hall International,;Prentice-Hall International, Inc KW - KW - 2 KW - 0 KW - 6 KW - 20 N1 - Includes index; 5 ER -