Rachakum, Y., Boonrod, T., Vongtavee, S.- orn, Luaphol, B., Tummawat, M., Rachatawetchakul, K. and Promboonruang, S. (2026) “Comparison of LLMs for AI Chatbots in Local Government Public Services”, Journal of Applied Informatics and Technology. Mahasarakham, Thailand, p. 267290. available at: https://ph01.tci-thaijo.org/index.php/jait/article/view/267290 (accessed: 12 September 2026).