Ümit Girgel, A. Çokkızgın, M. Çölkesen, and H. Çokkızgın, “A Study on Determination of Phenological Characteristics, Yield and Yield Components in Different Pea Genotypes in Bayburt Conditions”, Turkish JAF Sci.Tech., vol. 6, no. 5, pp. 524–529, May 2018.