เลาห์วีระพานิช ธ. 10 Levels System to Melodic Improvisation by Lee Konitz. RMJ [internet]. 2018 Jul. 10 [cited 2026 Sep. 11];10(1):7-21. available from: https://so06.tci-thaijo.org/index.php/rmj/article/view/127191