K. P. VERMA, and A. S. WARS. “ Evaluation of Suitable Rice-Based (Oryza Sativa) Cropping System for Central Plain Zone of Uttar Pradesh”. Indian Journal of Agronomy, vol. 44, no. 3, Oct. 2001, p. 44_3 , https://doi.org/10.59797/ija.v44i3.3531.