El-Darier, Salama, and Mabroka Hemada. “Determination of Nutrient Cycling and Nutrient-Use Efficiency in an Agroecosystem of Trifolium Alexandrinum”. Current Aspects in Pharmaceutical Research and Development Vol. 8 (February 8, 2022): 57–69. Accessed August 10, 2026. https://stm.bookpi.org/CAPRD-V8/article/view/5647.