CHEHLAROVA, T.; IVANOVA, K.; KENDEROV, P.; SENDOVA, E. IMI-BAS continues to convey in Bulgaria the Scientix support for STEM teachers. Mathematics and Education in Mathematics, [S. l.], v. 50, p. 349–355, 2021. Disponível em: https://smb.math.bas.bg/mem/index.php/memjournal/article/view/43. Acesso em: 4 oct. 2026.