Phuong-Linh Ngo-Tran and Thanh-Nghi Doan 2025. FINE-TUNING CHATGPT: ADVISING ON DIGITAL TRANSFORMATION FOR SMALL AND MEDIUM-SIZED ENTERPRISES. TRA VINH UNIVERSITY JOURNAL OF SCIENCE. 15, 2 (Jun. 2025). DOI:https://doi.org/10.35382/tvujs.15.2.2025.120.