http://e-repository.perpus.iainsalatiga.ac.id/14438
http://e-repository.perpus.iainsalatiga.ac.id/13993
http://e-repository.perpus.iainsalatiga.ac.id/14567
http://e-repository.perpus.iainsalatiga.ac.id/14858
http://e-repository.perpus.iainsalatiga.ac.id/14687