الطيب مكين محمد بابو و امحمد المهدي عبدالله. ????? ?????? (????? ??????) ??? ????? ???????? ???? ????. Journal of Pure & Applied Sciences , [S. l.], v. 18, n. 4, 2019. DOI: 10.51984/jopas.v18i4.512. Disponível em: https://sebhau.edu.ly/journal/jopas/article/view/512. Acesso em: 3 may. 2024.