http://e-repository.perpus.iainsalatiga.ac.id/19988
http://e-repository.perpus.iainsalatiga.ac.id/19516
http://e-repository.perpus.iainsalatiga.ac.id/13671
http://e-repository.perpus.iainsalatiga.ac.id/13653
http://e-repository.perpus.iainsalatiga.ac.id/13672
http://e-repository.perpus.iainsalatiga.ac.id/13429