Ashraf El-Sayed Ahmed Ali. “Evaluation of Yield and Quality of Barhee Date Palm Cultivar Under Different Potassium Sources and Rates”. The International Journal of Multiphysics, vol. 18, no. 3, Sept. 2024, pp. 6477 -83, https://mail.themultiphysicsjournal.com/index.php/ijm/article/view/2375.