http://e-repository.perpus.iainsalatiga.ac.id/10448
http://e-repository.perpus.iainsalatiga.ac.id/10531
http://e-repository.perpus.iainsalatiga.ac.id/11320
http://e-repository.perpus.iainsalatiga.ac.id/10985
http://e-repository.perpus.iainsalatiga.ac.id/10442