Kayastha, D. M.; Chhatkuli, R. R.; Paudel, J. R. Assessment of Accuracy of IKONOS Image Map, Traditional Orthophoto Map and Conventional Line Map of Kathmandu Valley: A Pilot Study. J. Geoinformatics, Nep. 2004, 3 (1), 49-51. https://doi.org/10.3126/njg.v3i1.51450.