Xin, Peng, and Panya Roongruang. 2022. “EXPLORATION OF VOCAL MUSIC TEACHING IN CHINESE OPERA ‘REGRET FOR THE PAST’ (SHANG SHI)”. Asia Pacific Journal of Religions and Cultures 6 (2):103-12. https://so06.tci-thaijo.org/index.php/ajrc/article/view/257038.