http://e-repository.perpus.iainsalatiga.ac.id/10339
http://e-repository.perpus.iainsalatiga.ac.id/10984
http://e-repository.perpus.iainsalatiga.ac.id/11237
http://e-repository.perpus.iainsalatiga.ac.id/11223
http://e-repository.perpus.iainsalatiga.ac.id/12261