MAHMOUD .O.FANOUSH; DR.IDRIS.ATEA; ABDELMOLA MOHAMED. A survey of half-groups. مجلة البيان العلمية, [S. l.], n. 11, p. 203–200, 2023. DOI: 10.37375/bsj.vi11.2254. Disponível em: http://journal.su.edu.ly/index.php/bayan/article/view/2254. Acesso em: 5 2025.