http://e-repository.perpus.iainsalatiga.ac.id/18441
http://e-repository.perpus.iainsalatiga.ac.id/18767
http://e-repository.perpus.iainsalatiga.ac.id/17914
http://e-repository.perpus.uinsalatiga.ac.id/17927/
http://e-repository.perpus.uinsalatiga.ac.id/id/eprint/17597