http://e-repository.perpus.iainsalatiga.ac.id/19164
http://e-repository.perpus.iainsalatiga.ac.id/18279
http://e-repository.perpus.iainsalatiga.ac.id/19142
http://e-repository.perpus.iainsalatiga.ac.id/19323
http://e-repository.perpus.iainsalatiga.ac.id/19147
http://e-repository.perpus.iainsalatiga.ac.id/19165