1.
Saputra RH, Sucipto H. Implementation of a WhatsApp-based Canteen Menu Chatbot using TF–IDF and cosine similarity: A case study of employees at Matahari Department Store, Sunrise Mall and Mojokerto. JPTK [Internet]. 2026 Feb. 28 [cited 2026 Apr. 23];9(1):1-20. Available from: https://jptk.ppj.unp.ac.id/index.php/jptk/article/view/485