SULAIMAN, H.; NASIR, F. .; KHAERUDIN, I. R. . Efektivitas Lesson Study Pada Pemecahan Masalah Matematis Melalui Perkuliahan Online Di Masa Pandemi Covid 19. SJME (Supremum Journal of Mathematics Education), [S. l.], v. 5, n. 2, 2021. DOI: 10.35706/sjme.v5i2.4668. Disponível em: https://journal.unsika.ac.id/supremum/article/view/4668. Acesso em: 28 dec. 2024.