K. Jearanaitanakij, C. Srithongdee, S. Ketkham, O. Ardsana, T. Kullawan, and C. Yongpiyakul, “Thai Question-Answering System Using Similarity Search and LLM”, ECTI-CIT Transactions, vol. 18, no. 3, pp. 406–416, Aug. 2024.