http://e-repository.perpus.iainsalatiga.ac.id/9286
http://e-repository.perpus.iainsalatiga.ac.id/9496
http://e-repository.perpus.iainsalatiga.ac.id/9499
http://e-repository.perpus.iainsalatiga.ac.id/9895
http://e-repository.perpus.iainsalatiga.ac.id/9324