Mahmud, N. U., Ferdous, Z., Ullah, H., Ahmed, N. U., Molla, S. H., and Anwar, M. “Effect of zinc on grading, quality and yield of potato (Solanum tuberosum) in Bangladesh”. International Journal of Agricultural Technology 17, no. 5 (September 15, 2021): 1821–1832. accessed August 7, 2025. https://li04.tci-thaijo.org/index.php/IJAT/article/view/6289.