T. Venkat Narayana Rao et al. “An Emerging Role of Chatbot in Businesses As a Novel Interactive Tool”. International Journal on Recent and Innovation Trends in Computing and Communication 7, no. 2 (February 28, 2019): 36–39. Accessed April 23, 2024. https://ijritcc.org/index.php/ijritcc/article/view/5230.