Sundari S, Fuadi D, Hidayati YM. Kemandirian Belajar Matematika Masa Pandemi Covid-19 pada Siswa Sekolah Dasar. basicedu [Internet]. 2022 Feb. 5 [cited 2024 Jul. 22];6(1):1389-97. Available from: https://jbasic.org/index.php/basicedu/article/view/2233