Kumar Singh, C., Shashtri, S., Mukherjee, S., Avtar, R. and Kumar Singh, S. (2010) “Monitoring change in land use and land cover in Rupnagar district of Punjab, India using Landsat and IRS LISS III satellite data”, Ecological Questions, 13, pp. 73–79. doi: 10.12775/v10090-010-0018-8.