http://e-repository.perpus.iainsalatiga.ac.id/9389
http://e-repository.perpus.iainsalatiga.ac.id/9505
http://e-repository.perpus.iainsalatiga.ac.id/9256
http://e-repository.perpus.iainsalatiga.ac.id/9209
http://e-repository.perpus.iainsalatiga.ac.id/9109