http://e-repository.perpus.iainsalatiga.ac.id/12288
http://e-repository.perpus.iainsalatiga.ac.id/11598
http://e-repository.perpus.iainsalatiga.ac.id/12050
http://e-repository.perpus.iainsalatiga.ac.id/12290
http://e-repository.perpus.iainsalatiga.ac.id/12095