Ahmed, Samer M., Sadik Q. Sadik, and Ayyad W. AL-Shahwany. 2014. “Effect of Nutrient Solution and Foliar Fertilizers on the Characteristics of Growth and Yield of Potato Plant Solanum Tuberosum L. By Sand Culture Systems”. Journal of Biotechnology Research Center 8 (1):12-17. https://doi.org/10.24126/jobrc.2014.8.1.290.