http://e-repository.perpus.iainsalatiga.ac.id/15103
http://e-repository.perpus.iainsalatiga.ac.id/15030
http://e-repository.perpus.iainsalatiga.ac.id/15101
http://e-repository.perpus.iainsalatiga.ac.id/14499
http://e-repository.perpus.iainsalatiga.ac.id/13886
http://e-repository.perpus.iainsalatiga.ac.id/14450