http://e-repository.perpus.iainsalatiga.ac.id/10561
http://e-repository.perpus.iainsalatiga.ac.id/10558
http://e-repository.perpus.iainsalatiga.ac.id/12893
http://e-repository.perpus.iainsalatiga.ac.id/13185
http://e-repository.perpus.iainsalatiga.ac.id/11145
http://e-repository.perpus.iainsalatiga.ac.id/12749