Ahmed, S.M. et al. 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 (JOBRC). 8, 1 (Jan. 2014), 12–17. DOI:https://doi.org/10.24126/jobrc.2014.8.1.290.