http://e-repository.perpus.iainsalatiga.ac.id/15261
http://e-repository.perpus.iainsalatiga.ac.id/15281
http://e-repository.perpus.iainsalatiga.ac.id/14967
http://e-repository.perpus.iainsalatiga.ac.id/15111
http://e-repository.perpus.iainsalatiga.ac.id/15009
http://e-repository.perpus.iainsalatiga.ac.id/15137