http://e-repository.perpus.iainsalatiga.ac.id/9775
http://e-repository.perpus.iainsalatiga.ac.id/9318
http://e-repository.perpus.iainsalatiga.ac.id/9209
http://e-repository.perpus.iainsalatiga.ac.id/9109
http://e-repository.perpus.iainsalatiga.ac.id/9636
http://e-repository.perpus.iainsalatiga.ac.id/9256