Utari M, Safitri A. Problematika Siswa dalam Pembelajaran Matematika Secara Daring di Era Pandemi Covid-19. Lancah J. Inov. Tren [Internet]. 2024 Jul. 4 [cited 2025 Dec. 8];2(2):602~607. Available from: https://journal.lembagakita.org/ljit/article/view/2819