DINESH JINGER, et al. “Effect of Sequential Application of Herbicides on Weed Control Indices and Productivity of Rainy-Season Greengram (Vigna Radiata) in North Indian Plains”. Indian Journal of Agronomy, vol. 61, no. 1, Oct. 2001, pp. 112-4, https://doi.org/10.59797/ija.v61i1.4334.