A. VASHISTH, N. MEENA, D. K. JOSHI, and R. SINGH, “Biophysical and growth parameters in relation to yield in sunflower (Helianthus annuus)”, Indian J Agri Sci, vol. 83, no. 2, Mar. 2013, Accessed: Oct. 26, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAgS/article/view/28005