http://e-repository.perpus.iainsalatiga.ac.id/17333
http://e-repository.perpus.iainsalatiga.ac.id/17515
http://e-repository.perpus.iainsalatiga.ac.id/17572
http://e-repository.perpus.iainsalatiga.ac.id/17270
http://e-repository.perpus.iainsalatiga.ac.id/17784
http://e-repository.perpus.iainsalatiga.ac.id/17902