Asif, M., B. Abbas, A. Aziz, M. Adnan, M. E. Safdar, A. Ali, A. Raza, and M. S. Hanif. “Bio-Fortification of Calcium, Zinc and Iron Improves Yield and Quality of Forage Sorghum (Sorghum Bicolor L.)”. Journal of Pure and Applied Agriculture, vol. 5, no. 3, June 2023, https://ojs.aiou.edu.pk/index.php/jpaa/article/view/1098.