TY - BOOK T1 - Mass media in America instructor guide. A1 - Pember, Don R. LA - English PP - Chicago PB - Science Research Associates YR - 1977 UL - https://tuklas.up.edu.ph/Record/UP-99796217606071910 OP - 27 CN - P 92 U5 P44 1977 SN - 0-574-22705-9 KW - Mass media : United States. ER -