Zeki, Suhiar Mohammed, and Dr. Abdul Monem Saleh Rahma. International Journal of Sciences: Basic and Applied Research (IJSBAR) 34, no. 2 (June 24, 2017): 23–33. Accessed September 23, 2025. https://www.gssrr.org/JournalOfBasicAndApplied/article/view/7585.