Zafar, Lubna, Anees Qamar, and Jawad Zareen. “Evaluation of Polarity Features for Sentiment Analysis on Product Reviews”. Pakistan Journal of Humanities and Social Sciences 11, no. 4 (December 30, 2023): 4836–4845. Accessed May 19, 2024. https://journals.internationalrasd.org/index.php/pjhss/article/view/2105.