ZEKI, Suhiar Mohammed; RAHMA, Dr. Abdul Monem Saleh. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 34, n. 2, p. 23–33, 2017. Disponível em: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/7585. Acesso em: 23 sep. 2025.