Yunefri, Yogi, Yogi Ersan Fadrial, and Sutejo Sutejo. 2021. “Chatbot Pada Smart Cooperative Oriented Problem Menggunakan Natural Language Processing Dan Naive Bayes Classifier”. INTECOMS: Journal of Information Technology and Computer Science 4 (2), 131 -40. https://doi.org/https://doi.org/10.31539/intecoms.v4i2.2704.