http://e-repository.perpus.iainsalatiga.ac.id/15838
http://e-repository.perpus.iainsalatiga.ac.id/17731
http://e-repository.perpus.iainsalatiga.ac.id/17571
http://e-repository.perpus.iainsalatiga.ac.id/15917
http://e-repository.perpus.iainsalatiga.ac.id/15889
http://e-repository.perpus.iainsalatiga.ac.id/16346