Robiati N, Lion E, Rohaetin S. Efektivitas metode e-learning mata pelajaran Ekonomi di masa Covid-19 pada siswa SMA Muhammadiyah 2 Palangka Raya. JEM [Internet]. 2022 Oct. 23 [cited 2024 Dec. 22];3(3):228-34. Available from: https://e-journal.upr.ac.id/index.php/jem/article/view/7670