http://e-repository.perpus.iainsalatiga.ac.id/11680
http://e-repository.perpus.iainsalatiga.ac.id/12087
http://e-repository.perpus.iainsalatiga.ac.id/11675
http://e-repository.perpus.iainsalatiga.ac.id/11692
http://e-repository.perpus.iainsalatiga.ac.id/11841
http://e-repository.perpus.iainsalatiga.ac.id/12088