Raji, Manggu Ngguna, and Fransiskus Korosando. “KESULITAN BELAJAR INTERNAL PESERTA DIDIK KELAS VIII SMP NEGERI 2 MAMBORO”. Educational Technology Journal 2, no. 2 (October 19, 2022): 44–53. Accessed May 3, 2024. https://journal.unesa.ac.id/index.php/etj/article/view/18167.