http://e-repository.perpus.iainsalatiga.ac.id/15983
http://e-repository.perpus.iainsalatiga.ac.id/16188
http://e-repository.perpus.iainsalatiga.ac.id/14989
http://e-repository.perpus.iainsalatiga.ac.id/14736
http://e-repository.perpus.iainsalatiga.ac.id/15292
http://e-repository.perpus.iainsalatiga.ac.id/13342