KUGEL, Leonid; SLOBODSKY, Philip; DURCHEVA, Mariana. Combined Teaching of Mathematics with the Halomda Platform. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 18, n. 20, p. pp. 249–256, 2023. DOI: 10.3991/ijet.v18i20.40493. Disponível em: https://online-journals.org/index.php/i-jet/article/view/40493. Acesso em: 18 jul. 2024.