http://e-repository.perpus.iainsalatiga.ac.id/18720
http://e-repository.perpus.iainsalatiga.ac.id/18049
http://e-repository.perpus.iainsalatiga.ac.id/18768
http://e-repository.perpus.iainsalatiga.ac.id/18567
http://e-repository.perpus.iainsalatiga.ac.id/17386
http://e-repository.perpus.iainsalatiga.ac.id/17406