Farihah, Umi. “THE STUDENTS’ DEGREE OF VISUALITY IN SOLVING MATHEMATICS PROBLEMS BASED ON THEIR LEARNING STYLE”. Inovasi: Jurnal Diklat Keagamaan, vol. 10, no. 4, Mar. 2016, pp. 339-46, https://bdksurabaya.e-journal.id/bdksurabaya/article/view/43.