http://e-repository.perpus.iainsalatiga.ac.id/14391
http://e-repository.perpus.iainsalatiga.ac.id/13991
http://e-repository.perpus.iainsalatiga.ac.id/14485
http://e-repository.perpus.iainsalatiga.ac.id/14225
http://e-repository.perpus.iainsalatiga.ac.id/14629