Assist. Lect. Hafsa Ra’ad Abdulateef. "The Concept of Nature in the Poetry of Seamus Heaney". International Journal on Humanities and Social Sciences, no. 20 (أبريل 16, 2021): 344-354. تاريخ الوصول أكتوبر 26, 2025. https://www.ijohss.com/index.php/IJoHSS/article/view/234.