http://repository.uhamka.ac.id/id/eprint/14255/ Tesis S2 Heni Novita Sari Heni Novita Sari, Heni Novita Sari http://repository.uhamka.ac.id/id/eprint/14255/1/Tesis%20Heni%20Novita%20Sari.pdf Unduh!