http://e-repository.perpus.iainsalatiga.ac.id/16187
http://e-repository.perpus.iainsalatiga.ac.id/13048
http://e-repository.perpus.iainsalatiga.ac.id/17764
http://e-repository.perpus.iainsalatiga.ac.id/17495
http://e-repository.perpus.uinsalatiga.ac.id/id/eprint/17301