2023. 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. Libyan Journal of Ecological & Environmental Sciences and Technology. 5, 1 (Jun. 2023), A11–19. DOI:https://doi.org/10.63359/zhxv6280.