http://e-repository.perpus.iainsalatiga.ac.id/9081
http://e-repository.perpus.iainsalatiga.ac.id/9102
http://e-repository.perpus.iainsalatiga.ac.id/10076
http://e-repository.perpus.iainsalatiga.ac.id/10025
http://e-repository.perpus.iainsalatiga.ac.id/9980