Othman, Sana, and سناء. “Tense-Aspect Selection In Biochemistry Texts A Semantic-Grammatical Study”. Adab Al-Rafidayn 38, no. 49 (June 24, 2025): 41–72. Accessed August 5, 2025. https://ojs.uomosul.edu.iq/index.php/radab/article/view/2111.