Muhammad A. Fathy, M. I. D. Helal, H. A. Khater, N. H. Abdelkaderter, and K. F. Abdelgawad,
"Optimizing Green Bean Yield: Controlled Nitrogen Release with Nano-Urea-Modified Apatite",
Scientific Journal of King Faisal University: Basic and Applied Sciences, vol. 25, issue 1, pp. 20, 2024.