http://e-repository.perpus.iainsalatiga.ac.id/9081
http://e-repository.perpus.iainsalatiga.ac.id/9102
http://e-repository.perpus.iainsalatiga.ac.id/9553
http://e-repository.perpus.iainsalatiga.ac.id/12495
http://e-repository.perpus.iainsalatiga.ac.id/12457
http://e-repository.perpus.iainsalatiga.ac.id/11855