GASITOI, Natalia, and Liubov ZASTINCEANU. “Extracurricular Activities in Mathematics: The Motivation Valences”. Acta et Commentationes Sciences of Education 30, no. 4 (September 7, 2023): 37-45. Accessed October 16, 2024. https://revistaust.upsc.md/index.php/acta_educatie/article/view/818.