http://e-repository.perpus.iainsalatiga.ac.id/9259
http://e-repository.perpus.iainsalatiga.ac.id/9214
http://e-repository.perpus.iainsalatiga.ac.id/9595
http://e-repository.perpus.iainsalatiga.ac.id/11093
http://e-repository.perpus.iainsalatiga.ac.id/11219
http://e-repository.perpus.iainsalatiga.ac.id/10963