http://e-repository.perpus.iainsalatiga.ac.id/17544
http://e-repository.perpus.iainsalatiga.ac.id/17558
http://e-repository.perpus.iainsalatiga.ac.id/17373
http://e-repository.perpus.iainsalatiga.ac.id/17662
http://e-repository.perpus.iainsalatiga.ac.id/17836
http://e-repository.perpus.iainsalatiga.ac.id/17987