Rifanti, Utti, AND 		Pujiharsono, Herryawan.
" Pengaruh Model Pembelajaran Self Directed Learning terhadap Hasil Belajar Mahasiswa pada Mata Kuliah Matematika Diskrit" <em>Journal of Medives : Journal of Mathematics Education IKIP Veteran Semarang</em> [Online], Volume 2 Number 2 (16 July 2018)