Singh, L. and Parajuli, T. 2020. Changes in Seed Yield of Sunflower (Helianthus annuus L.) in relation to the Seed Rate and Method of Sowing. International Journal of Environment. 9, 2 (Oct. 2020), 23–32. DOI:https://doi.org/10.3126/ije.v9i2.32499.