EL-SOUL, M. M. ., K. . ZARROUGH, K. . SGAIR, and A. . ABOUBAKER. “Selection for Tillering Rate in Annual Ryegrass and Its Influence on Potential Forage Production under Irrigated Conditions”. The Libyan Journal of Agriculture, vol. 13, no. 1, Apr. 2023, http://uot.edu.ly/journals/index.php/ljagric/article/view/412.