Bruns, H. A., K. Reddy, and W. Pettigrew. “Effects of Rotation of Cotton (Gossypium Hirsutum L.) and Soybean [Glycine Max (L.) Merr.] Crops on Soil Fertility in Elizabeth, Mississippi, USA”. Archives of Agriculture and Environmental Science, vol. 3, no. 1, Mar. 2018, pp. 86-88, doi:10.26832/24566632.2018.0301013.