Acharya, P., P. P. Regmi, D. Gauchan, D. B. KC, and G. B. KC. “Comparative Study on Technical Efficiency of Mechanized and Traditional Rice Farm in Nepal”. Journal of Agriculture and Natural Resources, vol. 3, no. 2, Oct. 2020, pp. 82-91, doi:10.3126/janr.v3i2.32484.