http://e-repository.perpus.iainsalatiga.ac.id/14339
http://e-repository.perpus.iainsalatiga.ac.id/14307
http://e-repository.perpus.iainsalatiga.ac.id/14679
http://e-repository.perpus.iainsalatiga.ac.id/14771
http://e-repository.perpus.iainsalatiga.ac.id/14814