Khotimah, Husnul. “FACTORS THAT INFLUENCE LEARNING MATHEMATICS”. De Fermat : Jurnal Pendidikan Matematika 2, no. 2 (January 27, 2020): 116–123. Accessed June 23, 2021. http://jurnal.pmat.uniba-bpn.ac.id/index.php/DEFERMAT/article/view/56.