H. K. YADAV, S. SHUKLA, A. RASTOG1, and S. P. SINGH, “Nona-parametric measure of stability for yield and morphine content in opium poppy [P~praveu”, Indian J Agri Sci, vol. 77, no. 9, Jan. 2011, Accessed: Oct. 27, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAgS/article/view/3193