YaqoobA., ShahidA. A., SalisuI. B., AzamS., AhmedM., and RaoA. Q. “Effects of Cry Toxins on Non-Target Soil Bacteria During a 2-Year Follow up Study”. Spanish Journal of Agricultural Research, Vol. 17, no. 2, July 2019, p. e0303, doi:10.5424/sjar/2019172-14605.