“RANCANG BANGUN SISTEM CHATBOT CUSTOMER SERVICE BERBASIS RETRIEVAL-AUGMENTED GENERATION PADA PLATFORM TELEGRAM (STUDI KASUS: MOB ENGLISH COURSE PARE KEDIRI)” (2026) Kohesi: Jurnal Sains dan Teknologi, 11(4). Available at: https://journal.cib.institute/index.php/kohesi/article/view/4476 (Accessed: 17 October 2026).