http://e-repository.perpus.iainsalatiga.ac.id/15960
http://e-repository.perpus.iainsalatiga.ac.id/15954
http://e-repository.perpus.iainsalatiga.ac.id/15899
http://e-repository.perpus.iainsalatiga.ac.id/17495
http://e-repository.perpus.iainsalatiga.ac.id/17687
http://e-repository.perpus.iainsalatiga.ac.id/13280