“Contribution of Flag-Leaf in Components and Grain Yield of Some Cultivars of Durum Wheat (Triticum Durum L.) Under Rainfed Conditions in Al Jabal Al Akhdar – Libya”, م ل ع ت ب, vol. 5, no. 1, pp. A11–19, Jun. 2023, doi: 10.63359/zhxv6280.