http://e-repository.perpus.iainsalatiga.ac.id/19262
http://e-repository.perpus.iainsalatiga.ac.id/19595
http://e-repository.perpus.iainsalatiga.ac.id/19834
http://e-repository.perpus.iainsalatiga.ac.id/19479
http://e-repository.perpus.iainsalatiga.ac.id/19655
http://e-repository.perpus.iainsalatiga.ac.id/19853