Implementation of Retrieval-Augmented Generation (RAG) and Large Language Models (LLM) for a Document and Tabular-Based Chatbot System. J. Electr. Tech. Explor. [Internet]. 10. julij 2025 [citirano 25. avgust 2026];3(1):19-23. Dostopno na: https://shmpublisher.com/index.php/joetex/article/view/588