PRINCIPLES OF DEVELOPMENT OF INSTRUMENT PERFORMANCE ABILITIES OF MIDDLE CLASS STUDENTS BASED ON THE ANALYSIS OF FOREIGN EXPERIENCES. International Bulletin of Applied Science and Technology, [S. l.], v. 4, n. 2, p. 215–217, 2024. Disponível em: https://researchcitations.com/index.php/ibast/article/view/3724. Acesso em: 3 sep. 2025.