Jube, Sandro, and Dulal Borthakur. 2007. “Expression of Bacterial Genes in Transgenic Tobacco: Methods, Applications and Future Prospects”. Electronic Journal of Biotechnology 10 (3). Valparaíso, Chile:0-0. https://www.ejbiotechnology.info/index.php/ejbiotechnology/article/view/v10n3-4.