http://e-repository.perpus.iainsalatiga.ac.id/17591
http://e-repository.perpus.iainsalatiga.ac.id/17385
http://e-repository.perpus.iainsalatiga.ac.id/17246
http://e-repository.perpus.iainsalatiga.ac.id/17663
http://e-repository.perpus.iainsalatiga.ac.id/17336