Jantarajaturaphat, Pitikiat. “Management of Brass Instrument A case study of E-Sarn Trombone Ensemble”. Journal of Music and Performing Arts Khon Kaen University 5, no. 2 (September 5, 2023): 7–26. accessed September 14, 2026. https://so03.tci-thaijo.org/index.php/JournalofMUSPAKKU/article/view/266837.