http://e-repository.perpus.iainsalatiga.ac.id/10410
http://e-repository.perpus.iainsalatiga.ac.id/10922
http://e-repository.perpus.iainsalatiga.ac.id/11375
http://e-repository.perpus.iainsalatiga.ac.id/10787
http://e-repository.perpus.iainsalatiga.ac.id/10963
http://e-repository.perpus.iainsalatiga.ac.id/11396