Sangkrajang, Kanita, and Panana Tangwannawit. “MESSENGER’S CHATBOT BASED ON ARTIFICIAL INTELLIGENCE FOR DIGITAL LIBRARY SERVICE”. Life Sciences and Environment Journal 21, no. 2 (September 14, 2020): 468–480. Accessed April 20, 2024. https://ph01.tci-thaijo.org/index.php/psru/article/view/242317.