1. Lua, A.: 7 social media analytics and reporting tips for becoming a data-savvy marketer. https://blog.bufferapp.com/learn-social-media-analytics (2017)
2. Spooner, J.: Why cost per acquisition is the only metric that really matters—social media explorer. https://socialmediaexplorer.com/content-sections/tools-and-tips/why-cost-per-acquisition-is-the-only-metric-that-really-matters/
3. Meyer, A.: A list of the top 25 social media analytics tools. http://keyhole.co/blog/list-of-the-top-25-social-media-analytics-tools/ (2016)
4. Patil, H., Atique, M.: Sentiment analysis for social media: a survey. In: Information Science and Security (ICISS), IEEE, Seoul, South Korea, pp. 389–392 (2015)
5. Corley, J., Jourdan, Z., Ingram, W.: Internet marketing: a content analysis of the research. Electron. Mark. 23, 177–204 (2013)