http://e-repository.perpus.iainsalatiga.ac.id/10895
http://e-repository.perpus.iainsalatiga.ac.id/10591
http://e-repository.perpus.iainsalatiga.ac.id/10583
http://e-repository.perpus.iainsalatiga.ac.id/10670
http://e-repository.perpus.iainsalatiga.ac.id/10524