http://e-repository.perpus.iainsalatiga.ac.id/15352
http://e-repository.perpus.iainsalatiga.ac.id/14856
http://e-repository.perpus.iainsalatiga.ac.id/15048
http://e-repository.perpus.iainsalatiga.ac.id/14246
http://e-repository.perpus.iainsalatiga.ac.id/14233