Khatri, N., B. Pandey, M. Yadav, B. Chaurasia, M. Bista, and B. Kunwar. “Weed Dynamics and Yield of Wheat in Long Term Soil Fertility Experiment under Rice-Rice-Wheat Cropping System”. Journal of Agriculture and Environment, vol. 21, June 2020, pp. 1-8, doi:10.3126/aej.v21i0.38437.