Surtia Zulpratita, Ulil, Feri Sulianta, Eka Angga Laksana, and Ai Rosita. “NLP and Why Chatbots Call for It”. International Journal of Psychosocial Rehabilitation 24, no. 1 (February 29, 2020): 2652–2657. Accessed August 5, 2025. https://psychosocial.com/index.php/ijpr/article/view/511.