DJURAYEVA RANO KAYUMOVNA. PROBLEM-BASED LEARNING (PBL) IN TEACHING MATHEMATICS. Spectrum Journal of Innovation, Reforms and Development, [S. l.], v. 22, p. 267–271, 2023. Disponível em: https://sjird.journalspark.org/index.php/sjird/article/view/906. Acesso em: 7 nov. 2024.