Paudel, B., M. Paudel, S. Marahatta, and T. B. Karki. “Productivity Of The Rice-Wheat Cropping System As Influenced By Nutrient Management Under Conservation And Conventional Agriculture Practices”. Agronomy Journal of Nepal, vol. 5, Dec. 2021, pp. 178-85, doi:10.3126/ajn.v5i01.44840.