“Maping the Soil Fertility of Bisankhel Catchment of Chitlang Vdc and Comparison of Different Geo-Spatial Interpolation Techniques”, J. Inst. Agric. Anim. Sci., vol. 35, no. 1, pp. 95–104, Dec. 2018, doi: 10.3126/jiaas.v35i1.22519.