Umunyana, Carine, Gerard Tuyizere, and Anaclet Mbarushimana. “Students’ Sentiment Analysis Using Natural Language Toolkit in Machine Learning for Module Evaluation”. European Journal of Engineering and Technology Research 9, no. 1 (March 3, 2024): 72–75. Accessed May 19, 2025. https://www.ej-eng.org/index.php/ejeng/article/view/3006.