Agnes Agustina, Desi Tamala, Lisna Yanti, Maulia Sari, Laurensia Masri Perangin Angin. Analysis of Online Learning Problems in Social Studies Subjects (Scope of Elementary Schools). MARCOPOLO [Internet]. 2023 Jun. 30 [cited 2026 Sep. 3];1(5):345-52. Available from: https://journal.formosapublisher.org/index.php/marcopolo/article/view/4783