Joshi, A., Joshi, J.R., Shrestha, N., Shrestha, S. and Gautam, S. 2013. Object Based Land Cover Extraction Using Open Source Software. Journal on Geoinformatics, Nepal. 12, (Oct. 2013), 26–30. DOI:https://doi.org/10.3126/njg.v12i0.9070.