Investigating Conditional Promise in the Tweets of British Prime Minister Boris Johnson. مجلة ديالى للبحوث الانسانية, Iraq, v. 1, n. 88, p. 684–696, 2021. DOI: 10.57592/djhr.v1i88.527. Disponível em: https://djhr.uodiyala.edu.iq/index.php/DJHR2022/article/view/527. Acesso em: 12 2025.