Development and Position of Africa in Science and Technology Today. American International Journal of Sciences and Engineering Research , [S. l.], v. 2, n. 2, p. 49–57, 2019. DOI: 10.46545/aijser.v2i2.103. Disponível em: https://www.acseusa.bdtopten.com/index.php/aijser/article/view/152. Acesso em: 1 feb. 2026.