VLĂDESCU, C. Mastery Learning and the Impact of the COVID-19 Pandemic on Teaching and Learning Mathematics in Romanian Schools. Journal of Education in Black Sea Region, [S. l.], v. 7, n. 2, p. 2–23, 2022. DOI: 10.31578/jebs.v7i2.258. Disponível em: https://jebs.ibsu.edu.ge/jms/index.php/jebs/article/view/258. Acesso em: 24 jul. 2024.