A.A. Kandil, A.E. Sharief, A.R. Morsy, and A.I. Manar El-Sayed. “Performance of Some Promising Genotypes of Soybean Under Different Planting Dates Using Biplots Analysis”. Journal of Basic & Applied Sciences, vol. 8, no. 2, July 2012, pp. 379-85, doi:10.6000/1927-5129.2012.08.02.22.