http://e-repository.perpus.iainsalatiga.ac.id/19571
http://e-repository.perpus.iainsalatiga.ac.id/19852
http://e-repository.perpus.iainsalatiga.ac.id/19900
http://e-repository.perpus.iainsalatiga.ac.id/20035
http://e-repository.perpus.iainsalatiga.ac.id/19914
http://e-repository.perpus.iainsalatiga.ac.id/20090