http://e-repository.perpus.iainsalatiga.ac.id/9256
http://e-repository.perpus.iainsalatiga.ac.id/9450
http://e-repository.perpus.iainsalatiga.ac.id/9081
http://e-repository.perpus.iainsalatiga.ac.id/9077
http://e-repository.perpus.iainsalatiga.ac.id/8283
http://e-repository.perpus.iainsalatiga.ac.id/9157