Candra, Hokianto, Rino ., and Riki Riki. “Designing a Chatbot Application for Student Information Centers on Telegram Messenger Using Fulltext Search Boolean”. bit-Tech 2, no. 2 (December 30, 2019): 71–80. Accessed July 3, 2024. https://jurnal.kdi.or.id/index.php/bt/article/view/106.