ADEY, A. D.; HURTER, Mey. Current abbreviations in Southern Africa. English Usage in Southern Africa, [S. l.], v. 9, n. 1, p. 28–42, 2018. Disponível em: https://www.unisapressjournals.co.za/index.php/EUSA/article/view/5439. Acesso em: 21 oct. 2025.