SAMSURIADI, Samsuriadi. Didactic Design of Mathematics Learning to Improve Conceptual Understanding of Triangles and Quadrilaterals Based on Green Numeracy at a Private Islamic Junior High School. Panicgogy International Journal, [S. l.], v. 4, n. 1, p. 98–109, 2026. DOI: 10.59965/pij.v4i1.328. Disponível em: https://nakiscience.com/index.php/pij/article/view/328. Acesso em: 8 sep. 2026.