http://e-repository.perpus.iainsalatiga.ac.id/9348
http://e-repository.perpus.iainsalatiga.ac.id/10991
http://e-repository.perpus.iainsalatiga.ac.id/11203
http://e-repository.perpus.iainsalatiga.ac.id/11813
http://e-repository.perpus.iainsalatiga.ac.id/12970
http://e-repository.perpus.iainsalatiga.ac.id/13803