http://e-repository.perpus.iainsalatiga.ac.id/19169
http://e-repository.perpus.iainsalatiga.ac.id/18620
http://e-repository.perpus.iainsalatiga.ac.id/19189
http://e-repository.perpus.iainsalatiga.ac.id/18108
http://e-repository.perpus.iainsalatiga.ac.id/19292
http://e-repository.perpus.iainsalatiga.ac.id/19195