Hayati, R., R. . Buaton, and S. Ramadani. “Implementation of Chatbot Artificial Intelligence in a Company Website to Improve Customer Service Automatically Using the TF-IDF Method”. Journal of Artificial Intelligence and Engineering Applications (JAIEA), vol. 4, no. 1, Oct. 2024, pp. 131-6, doi:10.59934/jaiea.v4i1.584.