Sharma, Hari C., Kiran K. Sharma, Nadoor Seetharama, and Rodomiro Ortiz. 2000. “Prospects for Using Transgenic Resistance to Insects in Crop Improvement”. Electronic Journal of Biotechnology 3 (2). Valparaíso, Chile:0-0. https://www.ejbiotechnology.info/index.php/ejbiotechnology/article/view/v3n2-3.