Yousefipor, Mona, Lack, Shahram, Payandeh, Khoshnaz. “Evaluation of the Combined Effect of Biological and Chemical Phosphorous Fertilizers and Micronutrient on Seed and Protein Yield of Barley (Hordeum vulgare L.).” Journal of Crop Ecophysiology, vol. 13, no. 49, 2019, pp. 103-120. 10.30495/jcep.2019.664840