http://e-repository.perpus.iainsalatiga.ac.id/18151
http://e-repository.perpus.iainsalatiga.ac.id/11971
http://e-repository.perpus.iainsalatiga.ac.id/18465
http://e-repository.perpus.iainsalatiga.ac.id/18344
http://e-repository.perpus.iainsalatiga.ac.id/18442
http://e-repository.perpus.iainsalatiga.ac.id/18770