RATNANINGRUM, D. S. PENINGKATAN PRESTASI BELAJAR MATEMATIKA MATERI PROGRAM LINIER MELALUI PENERAPAN METODE PROBLEM SOLVING BERBANTUAN MICROSOFT TEAMS DIMASA PANDEMI COVID-19. TEACHING : Jurnal Inovasi Keguruan dan Ilmu Pendidikan, [S. l.], v. 3, n. 1, p. 31-39, 2023. DOI: 10.51878/teaching.v3i1.2162. Disponível em: https://jurnalp4i.com/index.php/teaching/article/view/2162. Acesso em: 11 jan. 2025.