Selman, Ahmed Abdul-Razzaq. “The Influence of Production and Destruction of O Isotopes in Red Giant Stars”. Iraqi Journal of Science 64, no. 5 (May 30, 2023): 2614–2626. Accessed January 8, 2026. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/7062.