http://e-repository.perpus.iainsalatiga.ac.id/10059
http://e-repository.perpus.iainsalatiga.ac.id/9175
http://e-repository.perpus.iainsalatiga.ac.id/9644
http://e-repository.perpus.iainsalatiga.ac.id/9460
http://e-repository.perpus.iainsalatiga.ac.id/9769
http://e-repository.perpus.iainsalatiga.ac.id/9033