Lumbantoruan, Rosni, et al. “Evaluating LLM-Based Institutional Information Chatbot Responses Using a Preliminary Human-Scored Analytic Rubric and Automatic Metrics”. Elinvo (Electronics, Informatics, and Vocational Education), vol. 11, no. 1, July 2026, pp. 85-99, doi:10.21831/elinvo.v11i1.91571.