RAGHUBAR SAHU, et al. “Yield and Economics As Influenced by Nitrogen Scheduling, Weed Management and Rice Establishment Methods in Transplanted Rice (Oryza Sativa)”. Indian Journal of Agronomy, vol. 60, no. 2, Oct. 2001, pp. 261-6, https://doi.org/10.59797/ija.v60i2.4447.