http://e-repository.perpus.iainsalatiga.ac.id/10208
http://e-repository.perpus.iainsalatiga.ac.id/10515
http://e-repository.perpus.iainsalatiga.ac.id/10192
http://e-repository.perpus.iainsalatiga.ac.id/10755
http://e-repository.perpus.iainsalatiga.ac.id/10917
http://e-repository.perpus.iainsalatiga.ac.id/11315