Ayhan Aydoğdu and  Ercan Ceyhan and  Ali Kahraman and  Nursel Çöl,  Effects of Plant Densities on Seed Yield and Some Agricultural Characteristics of Jofs Pea Variety.   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2014, vol. 96(12). 1418 - 1421
    [viewed 27 May 2020]. Available from: https://publications.waset.org/pdf/10004896.