Baramichai, M., P. Prateepkaew, and A. Kanjanaprasert. “Leveraging Artificial Intelligence for Efficient Quotation Management: A Performance Analysis of Custom GPT vs. Traditional Methods”. Journal of Innovation and Management, vol. 10, no. 1, June 2025, pp. 147-5, https://so03.tci-thaijo.org/index.php/journalcim/article/view/288450.