যা নিয়ে বলেছি সেসবের কিছু রেফারেন্সঃ 

Psychology of Sports: How Sports Infect Your Brain

https://www.nirandfar.com/2012/08/how-sports-infect-your-brain.html

এটার কথা মনে পড়ছিল না, Social identity and intergroup behaviour - Henri Tajfel 

https://journals.sagepub.com/doi/10.1177/053901847401300204

এটাও পড়া যায় - https://www.neurosciencemarketing.com/blog/articles/us-vs-them.htm

People are intensely loyal to groups that abuse newcomers. Why?

https://aeon.co/ideas/people-are-intensely-loyal-to-groups-which-haze-newcomers-why

Marshall Mcluhan Full lecture: The medium is the message - 1977 

https://youtu.be/ImaH51F4HBw?t=729