ALI, Elsiska Ningsi; ARMIS; SARAGIH, Sehatta. Developing problem-based learning modules for flat-sided geometry to facilitate students’ mathematical connection skills. Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika, [S. l.], v. 7, n. 1, p. 95–105, 2024. DOI: 10.30606/absis.v7i1.2597. Disponível em: https://journal.upp.ac.id/index.php/absis/article/view/2597. Acesso em: 27 sep. 2024.