Rai, M. K., P. Nepal, D. B. Rai, and B. Paudel. “Commercial Vegetable Farming: Constraints and Opportunities of Farmers in Kirtipur, Nepal”. Geographical Journal of Nepal, vol. 12, no. 1, Apr. 2019, pp. 101-18, doi:10.3126/gjn.v12i1.23418.