Sumardi D, Suryani N, Musadad AA. Website-Based Learning Management System (LMS) as a Tool for Learning in the Covid-19 Pandemic Period for Junior High Schools. J. Educ. Technol. [Internet]. 2021 Oct. 17 [cited 2024 May 2];5(3):346-55. Available from: https://ejournal.undiksha.ac.id/index.php/JET/article/view/38371