Al-tamimi , Idrees Ghalib Idrees, et al. “Response of Soybean Plants Cv. Shaima to NPK Fertilizer and Locally Produced Nano-Iron”. American Journal of Biology and Natural Sciences, vol. 3, no. 1, Jan. 2026, pp. 184-90, doi:10.51699/ajbns.v3i1.1951.