Sujacka Retno, Rozzi Kesuma Dinata, and Novia Hasdyna. 2023. “Evaluation of Chatbot Data Model in Natural Language Processing Using K-Nearest Neighbor”. Jurnal CoSciTech (Computer Science and Information Technology) 4 (1):146-53. https://doi.org/10.37859/coscitech.v4i1.4690.