http://e-repository.perpus.iainsalatiga.ac.id/9252
http://e-repository.perpus.iainsalatiga.ac.id/10634
http://e-repository.perpus.iainsalatiga.ac.id/10208
http://e-repository.perpus.iainsalatiga.ac.id/9519
http://e-repository.perpus.iainsalatiga.ac.id/11992
http://e-repository.perpus.iainsalatiga.ac.id/10298