AJALA, A. A. Economic And Technological Importance Of Catalysts In Nigeria. International Journal of Economic Development Research and Investment (IJEDRI), [S. l.], v. 2, n. 2, p. 48–51, 2011. Disponível em: http://icidr.org.ng/index.php/Ijedri/article/view/771. Acesso em: 22 nov. 2024.