Wirasta, W., dan H. Cahyadi. “PERANGKAT LUNAK ABSENSI KARYAWAN PADAPT.PRIMARINDO ASIA INFRASTRUCTURE, Tbk BANDUNG”. Jurnal Komputer Bisnis, Vol. 1, no. 1, Dec. 2012, http://jurnal.lpkia.ac.id/index.php/jkb/article/view/24.