Iosifovich Abramson, Yakov. “On Psychological Issues in Math Problems”. Obutchénie. Revista de Didática e Psicologia Pedagógica 8, no. Contínua (novembro 23, 2024). Acessado abril 9, 2025. https://seer.ufu.br/index.php/Obutchenie/article/view/76091.