SYNTHESIS OF FATTY ACID ETHYL ESTER FROM CHICKEN FAT USING ZnO/SiO2 HETEROGENEOUS CATALYST. Nigerian Journal of Technology, [S. l.], v. 35, n. 1, p. 97–106, 2015. DOI: 10.4314/njt.351.1055. Disponível em: https://mail.nijotech.com/index.php/nijotech/article/view/1055. Acesso em: 4 jun. 2026.