http://repository.uhamka.ac.id/id/eprint/10740/ BAP-Absen-Nilai Metode penelitian D4 Kls 6A Inding, Gusmayadi http://repository.uhamka.ac.id/id/eprint/10740/1/BAP-Absen-Nilai%20Metlit%20D4%20kls%206A.pdf Unduh!