http://e-repository.perpus.iainsalatiga.ac.id/13437
http://e-repository.perpus.iainsalatiga.ac.id/17372
http://e-repository.perpus.iainsalatiga.ac.id/17338
http://e-repository.perpus.iainsalatiga.ac.id/17444
http://e-repository.perpus.iainsalatiga.ac.id/17097
http://e-repository.perpus.iainsalatiga.ac.id/17359