http://e-repository.perpus.iainsalatiga.ac.id/8222
http://e-repository.perpus.iainsalatiga.ac.id/9069
http://e-repository.perpus.iainsalatiga.ac.id/10179
http://e-repository.perpus.iainsalatiga.ac.id/11328
http://e-repository.perpus.iainsalatiga.ac.id/12331