Sibawayh’s Al kitab Ratio between Affirmation and Denial. Ibn Khaldoun Journal for Studies and Researches, فلسطين, v. 1, n. 3, 2021. DOI: 10.56989/benkj.v1i3.1181. Disponível em: https://www.benkjournal.com/index.php/benkj/article/view/1181. Acesso em: 7 apr. 2026.