TRIENI, Pultion. The difficulties of students in learning mathematics by using development learning sequences approach in sd negeri no. 08 koto barapak kecamatan bayang. Jurnal Ilmiah Pendidikan Scholastic, [S. l.], v. 2, n. 1, p. 39–49, 2018. DOI: 10.36057/jips.v2i1.307. Disponível em: https://e-journal.sastra-unes.com/index.php/JIPS/article/view/307. Acesso em: 22 dec. 2024.