http://e-repository.perpus.iainsalatiga.ac.id/18776
http://e-repository.perpus.iainsalatiga.ac.id/18420
http://e-repository.perpus.iainsalatiga.ac.id/15185
http://e-repository.perpus.iainsalatiga.ac.id/11530
http://e-repository.perpus.iainsalatiga.ac.id/10710
http://e-repository.perpus.iainsalatiga.ac.id/11269