Surur, A.M. et al. 2018. Problematika Pembelajaran Siswa MTs Sunan Gunung Jati (Studi Kasus Latar Belakang Siswa Menghadapi Ujian). Journal Focus Action of Research Mathematic (Factor M). 1, 1 (Dec. 2018), 13–32. DOI:https://doi.org/10.30762/factor_m.v1i1.960.