http://e-repository.perpus.iainsalatiga.ac.id/13979
http://e-repository.perpus.iainsalatiga.ac.id/13960
http://e-repository.perpus.iainsalatiga.ac.id/11302
http://e-repository.perpus.iainsalatiga.ac.id/13609
http://e-repository.perpus.iainsalatiga.ac.id/12055
http://e-repository.perpus.iainsalatiga.ac.id/11858