Akhmad Akromusyuhada, Ahmad Aguswin, Windi. Professional E-Learning Management To Be Effective And Efficient During The Covid-19 Pandemic At The Islamic Education Institutin (Iei) To Achieve Excellent Schools. BULLET [Internet]. 2022 Jul. 25 [cited 2024 Nov. 25];1(03):288-9. Available from: https://journal.mediapublikasi.id/index.php/bullet/article/view/682