http://repository.uhamka.ac.id/1821/ BAP, Nilai, Absensi Mata Kuliah Statistik Wahjusaputri, Sintha http://repository.uhamka.ac.id/1821/1/BAP%2C%20NILAI%2C%20ABSENSI%20MATA%20KULIAH%20STATISTIK.pdf Download Disini !