Sürmen, M., and E. Kara. “Yield and Quality Features of Buckwheat-Soybean Mixtures in Organic Agricultural Conditions”. Turkish Journal of Agriculture - Food Science and Technology, vol. 5, no. 13, Dec. 2017, pp. 1732-6, doi:10.24925/turjaf.v5i13.1732-1736.1519.