Khosa, J S, and A S Dhatt. “Studies on Genetic Variability and Heritability in Bulb Onion (Allium Cepa L.) in North-Western Plains of India”. Journal of Horticultural Sciences, vol. 8, no. 2, Dec. 2013, pp. 255-8, https://doi.org/10.24154/jhs.v8i2.314.