http://e-repository.perpus.iainsalatiga.ac.id/12519
http://e-repository.perpus.iainsalatiga.ac.id/11642
http://e-repository.perpus.iainsalatiga.ac.id/9308
c1-4 olah
http://e-repository.perpus.iainsalatiga.ac.id/8763
http://e-repository.perpus.iainsalatiga.ac.id/8373