http://e-repository.perpus.iainsalatiga.ac.id/12459
http://e-repository.perpus.iainsalatiga.ac.id/17460
http://e-repository.perpus.iainsalatiga.ac.id/17288
http://e-repository.perpus.iainsalatiga.ac.id/17547
http://e-repository.perpus.iainsalatiga.ac.id/17712
http://e-repository.perpus.iainsalatiga.ac.id/17691