Farid, Ahmad Farid, et al. “Assessing the Effects of Different Biofertilizer Levels on Dry-Weight of Wheat and Barley Cultivars at Maturity Stage”. Journal of Environmental and Agricultural Studies, vol. 3, no. 3, Dec. 2022, pp. 66-71, https://doi.org/10.32996/jeas.2022.3.3.8.