http://e-repository.perpus.iainsalatiga.ac.id/13043
http://e-repository.perpus.iainsalatiga.ac.id/13571
http://e-repository.perpus.iainsalatiga.ac.id/13276
http://e-repository.perpus.iainsalatiga.ac.id/12791
http://e-repository.perpus.iainsalatiga.ac.id/13432
http://e-repository.perpus.iainsalatiga.ac.id/13653