Sunismi, Sunismi, and Abdul Halim Fathani. “Uji Validasi E-Module Matakuliah Kalkulus I Untuk Mengoptimalkan Student Centered Learning Dan Individual Learning Mahasiswa S-1”. JRPM (Jurnal Review Pembelajaran Matematika) 1, no. 2 (December 28, 2016): 174–191. Accessed May 3, 2024. https://jurnalftk.uinsby.ac.id/index.php/jrpm/article/view/44.