The Efficiency of the Technological Levels used in the Production of Wheat Crop in Sharkia Governorate. International Journal of Social Studies, [S. l.], v. 2, n. 1, p. 31–40, 2022. DOI: 10.55627/ijss.02.1.0219. Disponível em: https://rootspress.org/journals/IJSS/article/view/219. Acesso em: 24 apr. 2026.