http://e-repository.perpus.iainsalatiga.ac.id/12257
http://e-repository.perpus.iainsalatiga.ac.id/17342
http://e-repository.perpus.iainsalatiga.ac.id/17626
http://e-repository.perpus.iainsalatiga.ac.id/17230
http://e-repository.perpus.uinsalatiga.ac.id/17948/
http://e-repository.perpus.iainsalatiga.ac.id/18049