1. The news media, the problem frame, and the production of fear;Altheide;Sociol. Q.,1997
2. ProtAnt: a tool for analysing the prototypicality of texts;Anthony;Int. J. Corpus Linguist.,2015
3. Analysing Policy: What's the Problem Represented to Be?;Bacchi,2009
4. The Discourse of News Values: How Organizations Create Newsworthiness;Bednarek,2017
5. Davies, M., 2016. Corpus of news on the web (NOW). Available at: English-Corpora: NOW. https://www.english-corpora.org/now/.