Zhelyazkova Ц.; Boykina Д. The heuristic “Dividing into subproblems” in solving geometric problems in 7-th grade. Mathematics and Education in Mathematics, [S. l.], v. 53, p. 141–148, 2024. DOI: 10.55630/mem.2024.53.141-148. Disponível em: https://smb.math.bas.bg/mem/index.php/memjournal/article/view/140. Acesso em: 5 oct. 2026.