http://e-repository.perpus.iainsalatiga.ac.id/15889
http://e-repository.perpus.iainsalatiga.ac.id/15903
http://e-repository.perpus.iainsalatiga.ac.id/15917
http://e-repository.perpus.iainsalatiga.ac.id/12255
http://e-repository.perpus.iainsalatiga.ac.id/17351
http://e-repository.perpus.iainsalatiga.ac.id/17391