http://e-repository.perpus.iainsalatiga.ac.id/16110
http://e-repository.perpus.iainsalatiga.ac.id/17755
http://e-repository.perpus.iainsalatiga.ac.id/17783
http://e-repository.perpus.iainsalatiga.ac.id/17849
http://e-repository.perpus.uinsalatiga.ac.id/id/eprint/17512