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