Subedi, M., M. Pandey, R. K. Ojha, and B. Acharya. “Production Economics and Resource Use Efficiency of Tomato under Open Field Condition in Kapilvastu, Nepal”. Journal of Agriculture and Natural Resources, vol. 3, no. 1, Jan. 2020, pp. 282-9, doi:10.3126/janr.v3i1.27181.