http://e-repository.perpus.iainsalatiga.ac.id/11573
http://e-repository.perpus.iainsalatiga.ac.id/11840
http://e-repository.perpus.iainsalatiga.ac.id/11166
http://e-repository.perpus.iainsalatiga.ac.id/11636
http://e-repository.perpus.iainsalatiga.ac.id/12627
http://e-repository.perpus.iainsalatiga.ac.id/10908