The approval of Abu Ubaidah (T: 180 H) for the ten reciters of his novel On the authority of Abi Amr (T: 154 H) in the chapter on brushing the letters Collecting, studying and directing. Humanities and Educational Sciences Journal, [S. l.], v. 7, n. 18, p. 39–94, 2021. DOI: 10.55074/hesj.v7i18.334. Disponível em: https://hesj.org/ojs/index.php/hesj/article/view/334. Acesso em: 15 may. 2026.