http://e-repository.perpus.iainsalatiga.ac.id/11550
http://e-repository.perpus.iainsalatiga.ac.id/11861
http://e-repository.perpus.iainsalatiga.ac.id/13377
http://e-repository.perpus.iainsalatiga.ac.id/17143
http://e-repository.perpus.iainsalatiga.ac.id/17212
http://e-repository.perpus.iainsalatiga.ac.id/17037