NURDIEN, A. H.; AMIR, M. F. . Pendekatan Onto-Semiotik Berbasis Problem Solving untuk Memperbaiki Pengetahuan Tanda “Sama Dengan”. Journal Focus Action of Research Mathematic (Factor M), [S. l.], v. 4, n. 2, p. 65–80, 2022. DOI: 10.30762/factor_m.v4i2.3349. Disponível em: https://jurnalfaktarbiyah.iainkediri.ac.id/index.php/factorm/article/view/402. Acesso em: 20 may. 2024.