Setiawan, Gede Herdian, and I Made Budi Adnyana. 2023. “Improving Helpdesk Chatbot Performance With Term Frequency-Inverse Document Frequency (TF-IDF) and Cosine Similarity Models”. Journal of Applied Informatics and Computing 7 (2):252-57. https://doi.org/10.30871/jaic.v7i2.6527.