Rahmadhani S, Aslami N. Analysis of Changes in the Learning System of MTS YPI Al-Hidayah Lubuk Pakam Students Due to the Covid-19 Pandemic. j.management [Internet]. 2022 Sep. 1 [cited 2025 Apr. 27];2(3):411–416. Available from: https://penerbitadm.pubmedia.id/index.php/JIM/article/view/794