Baramichai, Manisra, Pavanphat Prateepkaew, and Apiyada Kanjanaprasert. “Leveraging Artificial Intelligence for Efficient Quotation Management: A Performance Analysis of Custom GPT vs. Traditional Methods”. Journal of Innovation and Management 10, no. 1 (June 24, 2025): 147–157. accessed September 10, 2026. https://so03.tci-thaijo.org/index.php/journalcim/article/view/288450.