http://e-repository.perpus.iainsalatiga.ac.id/16434
http://e-repository.perpus.iainsalatiga.ac.id/17618
http://e-repository.perpus.iainsalatiga.ac.id/17747
http://e-repository.perpus.iainsalatiga.ac.id/17187
http://e-repository.perpus.iainsalatiga.ac.id/18165
http://e-repository.perpus.iainsalatiga.ac.id/18689