Kuzniak, Alain, and Philippe R. Richard. “SPACES FOR MATHEMATICAL WORK: VIEWPOINTS AND PERSPECTIVES”. Revista Latinoamericana de Investigación en Matemática Educativa 17, no. 4(I) (December 30, 2014): 5–15. Accessed August 26, 2026. https://www.relime.org/index.php/relime/article/view/184.