Wang J, Sondhiratna T. The Zhang Shu’s Vocal Works Handbook for teaching first-year Vocal Students at Quzhou University. IJSASR [internet]. 2025 Aug. 23 [cited 2026 Feb. 22];5(5):63-74. available from: https://so07.tci-thaijo.org/index.php/IJSASR/article/view/6574