http://e-repository.perpus.iainsalatiga.ac.id/13223
http://e-repository.perpus.iainsalatiga.ac.id/9491
http://e-repository.perpus.iainsalatiga.ac.id/9149
http://e-repository.perpus.iainsalatiga.ac.id/10373
http://e-repository.perpus.iainsalatiga.ac.id/10097
http://e-repository.perpus.iainsalatiga.ac.id/9963