Sorrasit, Chaleaw, and Chaowarit Jongkatkorn. “THE SRATEGY TO PROMOTE THE EXCELLENCE OF MUSIC OF NONGKHAI WITTAYAKARN SCHOOL UNDER THE SECONDARY EDUCATION SERVICE AREA OFFICE 21”. Journal of MCU Nakhondhat 9, no. 8 (August 31, 2022): 276–291. accessed September 11, 2026. https://so03.tci-thaijo.org/index.php/JMND/article/view/263284.