http://e-repository.perpus.iainsalatiga.ac.id/17810
http://e-repository.perpus.iainsalatiga.ac.id/15838
http://e-repository.perpus.iainsalatiga.ac.id/15889
http://e-repository.perpus.iainsalatiga.ac.id/12255
http://e-repository.perpus.iainsalatiga.ac.id/15986
http://e-repository.perpus.iainsalatiga.ac.id/15917