“Effect of DAP (P21%) Fertilizer on Total Saliva officinalis Flavonoid Content”, Iraqi Journal of Science, vol. 57, no. 4A, pp. 2422–2428, Feb. 2022, Accessed: Apr. 25, 2025. [Online]. Available: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/6339