Padmini, K., R. V. Gowda, and L. B. Naik. “Studies on Parental Synchronization in Flowering for Hybrid Seed Production in Onion (Allium Cepa L.)”. Journal of Horticultural Sciences, Vol. 2, no. 1, June 2007, pp. 47-49, https://jhs.iihr.res.in/index.php/jhs/article/view/637.