Liu Xi, Chutasiri Yodwised, and Rujee Srisombut. 2023. “Studying the status quo of double bass teaching and compile technical guide in Nanchang University, Jiang xi province, China”. Journal of Modern Learning Development 8 (5):206-13. https://so06.tci-thaijo.org/index.php/jomld/article/view/260255.