2Deutschmann and Danielson, (1960) : Diffusion of Knowledge of the major news story," Journalism Quarterly 37( Summer 1960 ) : 354 - 55.
3Entmann, R. and Rojecki, A. (2000) : The black image in the white mind: media and race in America. Chicago:University of Chicago Press.
4Gerbner, G. (1977) : Trends in network television drama and viewer conceptions of reality, 1967 - 1976. Philadelphia: University of Pennsylvania.
5Iyengar, S. and Simon, A. F. (1997) : News coverage of the Gulf crisis and public opinion : a study of agenda setting, priming and framing. In S. Iyengar and R. Reeves(eds.) Do the media govern? Politicians, voters, and reporters in American ( pp. 248 - 257 ). Thousand Oaks,Calif. : Sage.
6Kapper, ,I. T. (1960) : The Effects of Mass Communication. Foundations of Communication Research, Glencoe,IL, Free Press.
7McCombs, M and Shaw, D.L. (1972) :" The agenda setting function of mass media", Public Opinion Quarterly,36, 176 - 187.
8Nielsen Media Research ( May 1999) : TV viewing in internet households, www. neilsenmedia.com.
9Putnam, R. (2000) : Bowling alone: the collapse and revival of American comm. unity. New York : Simon & Schuster.
10Rogers, E. M. ( 1995 ) : Diffusion of Innovations. New York : Free Press.