00452 a2200157 4500 DLC DLC 001.510973 DeFleur, Melvin L. Understanding mass communication Melvin L.DeFleur, 4th ed. Islamabad : National Book Foundation. 1991. xiv, 637 p. : ill. ; 26 cm. Includes Index Mass media--United States. BK 001.510973 DEF ddc 5001 5001 0 0 0 0 CS CL CL CS 2006-12-13 Donation 0.00 0 001.510973 DEF SEECS007864 2012-11-14 2017-01-05 BK 0 0 ddc 0 0 CS CL CL CS 2006-12-13 Donation 0.00 0 302.22 DEF SEECS007863 2012-11-14 2017-01-05 BK