http://e-repository.perpus.iainsalatiga.ac.id/10531
http://e-repository.perpus.iainsalatiga.ac.id/10448
http://e-repository.perpus.iainsalatiga.ac.id/10389
http://e-repository.perpus.iainsalatiga.ac.id/9120
http://e-repository.perpus.iainsalatiga.ac.id/10122
http://e-repository.perpus.iainsalatiga.ac.id/10341