The Effectiveness of Design Thinking–Based Instruction in Developing Mathematical Proficiency Components among Intermediate School Students. Journal of Misan Researches, [S. l.], v. 22, n. 43, p. 64–104, 2026. DOI: 10.52834/jmr.2026.224304. Disponível em: https://jmr.uomisan.edu.iq/index.php/jmr/article/view/343. Acesso em: 13 sep. 2026.