BARTEK, K.; NOCAR, D. The use of digital learning objects for effective mathematics instruction. Contemporary Educational Researches Journal, [S. l.], v. 8, n. 2, p. 50–56, 2018. DOI: 10.18844/cerj.v8i2.3476. Disponível em: https://un-pub.eu/ojs/index.php/cerj/article/view/3476. Acesso em: 30 apr. 2024.