SKVORTSOVA, Svitlana; BRITSKAN, Tetiana. Organization of Mathematical Distance Learning in Primary School. International Journal of Research in E-learning, [S. l.], v. 7, n. 1, p. 1–23, 2021. DOI: 10.31261/IJREL.2021.7.1.06. Disponível em: https://trrest.vot.pl/ojsus/index.php/IJREL/article/view/10032. Acesso em: 7 may. 2025.