boleng, rosalinda, W. S. Dominikus, and V. R. Bulu. “ANALISIS FAKTOR PENYEBAB KESULITAN BELAJAR MATEMATIKA KELAS V SD NTO NATIONAL PLUS PRIMARY SCHOOL”. SENTRI: Jurnal Riset Ilmiah, vol. 3, no. 7, July 2024, pp. 3271-86, https://ejournal.nusantaraglobal.or.id/index.php/sentri/article/view/3052.