http://e-repository.perpus.iainsalatiga.ac.id/17715
http://e-repository.perpus.iainsalatiga.ac.id/17716
http://e-repository.perpus.iainsalatiga.ac.id/17778
http://e-repository.perpus.iainsalatiga.ac.id/17642
http://e-repository.perpus.iainsalatiga.ac.id/17495
http://e-repository.perpus.iainsalatiga.ac.id/17819