RUILING, Han; SABRI, Shafizan Bin. Development and Validation of A Survey for Measuring Instructors’ Pedagogical Content Knowledge Level of One-To-One Pop Singing Courses at the Conservatories in China. International Journal of Academic Research in Progressive Education and Development, [S. l.], v. 14, n. 1, p. 43–53, 2025. Disponível em: https://ijarped.com/index.php/journal/article/view/3319. Acesso em: 1 aug. 2025.