B. SINGH, J. SINGH, A. KUMAR, Y. P. YADAV, and S. SINGH, “Response of brassicas to sulphur for yield”, Indian J Agri Sci, vol. 69, no. 6, Jan. 2013, Accessed: Jun. 14, 2026. [Online]. Available: https://epubs.icar.org.in/index.php/IJAgS/article/view/26800