http://e-repository.perpus.iainsalatiga.ac.id/12904
http://e-repository.perpus.iainsalatiga.ac.id/13547
http://e-repository.perpus.iainsalatiga.ac.id/13402
http://e-repository.perpus.iainsalatiga.ac.id/13793
http://e-repository.perpus.iainsalatiga.ac.id/12952
http://e-repository.perpus.iainsalatiga.ac.id/13040