Pengembangan Chatbot “Ciovita” Virtual Assistant Cioccolato Brownie Semarang Dengan Metode Waterfall. J. Appl. Comput. Sci. Technol. [Internet]. 2022 Dec. 31 [cited 2025 Dec. 19];3(2):179-85. Available from: https://journal.isas.or.id/index.php/JACOST/article/view/348