http://e-repository.perpus.iainsalatiga.ac.id/19129
http://e-repository.perpus.iainsalatiga.ac.id/19219
http://e-repository.perpus.iainsalatiga.ac.id/19019
http://e-repository.perpus.iainsalatiga.ac.id/19133
http://e-repository.perpus.iainsalatiga.ac.id/19012
http://e-repository.perpus.iainsalatiga.ac.id/19929