Khadka, D., Lamichhane, S., Shrestha, K., Joshi, S., Karna, M., Pant, B. B. and Yadav, S. (2017) “Soil Fertility Assessment and Mapping of Agricultural Research Station, Jaubari, Illam, Nepal”, International Journal of Environment, 6(3), pp. 46–70. doi: 10.3126/ije.v6i3.18097.