Ahmad, A., Shehzad, M., Ahmed, Z. I., Mubeen, K., Khalid, S., and Anwar, A. “Optimizing organic and inorganic fertilizer recommendation in rainfed pothowar region of pakistan: a case of barley sorghum and barley mungbean crop rotations”. International Journal of Agricultural Technology 12, no. 3 (May 15, 2016): 387–393. accessed August 16, 2025. https://li04.tci-thaijo.org/index.php/IJAT/article/view/6628.