RANCANG BANGUN SISTEM CHATBOT CUSTOMER SERVICE BERBASIS RETRIEVAL-AUGMENTED GENERATION PADA PLATFORM TELEGRAM (STUDI KASUS: MOB ENGLISH COURSE PARE KEDIRI). Kohesi: Jurnal Sains dan Teknologi, [S. l.], v. 11, n. 4, 2026. Disponível em: https://journal.cib.institute/index.php/kohesi/article/view/4475. Acesso em: 17 oct. 2026.