00000cam a22000004a 4500 UP-99796217606910182 Buklod 20230503092542.0 m |o d | ta 020213s1971 ilu r |||| u|eng d (iLib)UPD-00000430265 DML eng P 90 S38 1971 Schramm, Wilbur Lang 1907- ed. The process and effects of mass communication ed. by Wilbur Lang Schramm and Donald F. Roberts. Rev. ed. Urbana University of Illinios Press [c1971]. 997 p. ill. Mass media. Roberts, Donald F. joint ed. Book Monograph UPD DMC P 90 S38 1971 UPD DPOP P 90 S38 1971 Book