http://e-repository.perpus.iainsalatiga.ac.id/16434
http://e-repository.perpus.iainsalatiga.ac.id/15715
http://e-repository.perpus.iainsalatiga.ac.id/15878
http://e-repository.perpus.iainsalatiga.ac.id/15276
http://e-repository.perpus.iainsalatiga.ac.id/17694
http://e-repository.perpus.iainsalatiga.ac.id/17369