Hidayat, Sopyan, and Christien Rozali. “Perancangan Chatbot Layanan Perusahaan Menggunakan Metode Nlp Dan Agile Berbasis Web (Studi Kasus: PT. Teleport Data Persada)”. Journal of Information Systems and Business Technology, vol. 2, no. 4, Aug. 2026, pp. 1222-8, https://journal.jci.co.id/jisbt/article/view/777.