OKTAPIA, L.; SIREGAR, L. N. K. Development of LKPD Based on Contextual Teaching and Learning on Square and Rectangular Materials to Improve Learning Outcomes of Grade IV Elementary School Students. Mathline : Jurnal Matematika dan Pendidikan Matematika, [S. l.], v. 8, n. 3, p. 937–954, 2023. DOI: 10.31943/mathline.v8i3.479. Disponível em: https://mathline.unwir.ac.id/index.php/Mathline/article/view/479. Acesso em: 23 apr. 2025.