FIRDAUS, Wigananda. A Tracer Study Design With Whatsapp Chatbot Integration Using Natural Language Processing. Information Technology International Journal, [S. l.], v. 2, n. 2, p. 89–95, 2024. DOI: 10.33005/itij.v2i2.24. Disponível em: https://itijournal.org/index.php/ITIJ/article/view/24. Acesso em: 9 may. 2025.