http://e-repository.perpus.iainsalatiga.ac.id/12461
http://e-repository.perpus.iainsalatiga.ac.id/8283
http://e-repository.perpus.iainsalatiga.ac.id/9567
http://e-repository.perpus.iainsalatiga.ac.id/9839
http://e-repository.perpus.iainsalatiga.ac.id/9837
http://e-repository.perpus.iainsalatiga.ac.id/9335