PRATIWI, Erieza Dwi; SHODIKIN, Ali. Analysis of Understanding Mathematical Concepts in Junior High School Students on Integer Operation Material. UJMC (Unisda Journal of Mathematics and Computer Science), [S. l.], v. 8, n. 1, p. 11–18, 2022. DOI: 10.52166/ujmc.v8i1.2834. Disponível em: https://ejournal.unisda.ac.id/index.php/ujmc/article/view/2834. Acesso em: 5 jun. 2026.