http://e-repository.perpus.iainsalatiga.ac.id/13325
http://e-repository.perpus.iainsalatiga.ac.id/12057
http://e-repository.perpus.iainsalatiga.ac.id/13423
http://e-repository.perpus.iainsalatiga.ac.id/14530
http://e-repository.perpus.iainsalatiga.ac.id/14749
http://e-repository.perpus.iainsalatiga.ac.id/14725