http://e-repository.perpus.iainsalatiga.ac.id/11223
http://e-repository.perpus.iainsalatiga.ac.id/11029
http://e-repository.perpus.iainsalatiga.ac.id/10339
http://e-repository.perpus.iainsalatiga.ac.id/10715
http://e-repository.perpus.iainsalatiga.ac.id/10192
http://e-repository.perpus.iainsalatiga.ac.id/10298