http://e-repository.perpus.iainsalatiga.ac.id/13301
http://e-repository.perpus.iainsalatiga.ac.id/13004
http://e-repository.perpus.iainsalatiga.ac.id/13280
http://e-repository.perpus.iainsalatiga.ac.id/17687
http://e-repository.perpus.iainsalatiga.ac.id/17601
http://e-repository.perpus.iainsalatiga.ac.id/17838