Rong Cheng, Ooi Boon Keat, Jacquline Tham. The Impact of Teacher Professionalism and School Resources on Students Vocal Performance Ability through the Mediating Role of Self Efficacy among College Students in Chengdu China. IJSE [Internet]. 2026 Jun. 1 [cited 2026 Oct. 22];41(2s):513-25. Available from: https://mail.internationalsped.com/index.php/ijse/article/view/2792