Anjum, Mehnaz, Akmal Khan, Shabir Hussain, M. Jhandir, Rafaqat Kazmi, Imran Bajwa, and Muhammad Ali. 2021. “Sentiment Analysis of Twitter Tweets for Mobile Phone Brands”. Pakistan Journal of Engineering and Technology 4 (1), 131-38. https://doi.org/10.51846/vol4iss1pp131-138.