Thanh Nhan N, Anh Thu PG. A Contribution to Teaching Vietnamese Music: Key Pitches in Context and the Pitch/intensity Contour Graph. TCKHXHNV [Internet]. 2025 Oct. 26 [cited 2026 Jul. 3];3(5):573-85. Available from: https://ojsnv.metatekvn.com/index.php/JOSSH-VN/article/view/357