Kumjudpanpai, S. (2021) “A Study of the Relationship of the Oboes Audio Features in Mekong River Region”, Research and Development Journal, Loei Rajabhat University, 16(58), pp. 99–108. available at: https://so05.tci-thaijo.org/index.php/researchjournal-lru/article/view/249807 (accessed: 30 September 2026).