et. al., Khyrinaairinfariza Abu Samah,. (2021) 2021. “Naïve Bayes Twitter Sentiment Analysis In Visualizing The Reputation Of Communication Service Providers: During Covid-19 Pandemic”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12 (5):1753-64. https://turcomat.org/index.php/turkbilmat/article/view/2176.