Dr. Farooq Ahmad, and Dr. Farooq Ahmad. 2012. “Phenologically-Tuned MODIS NDVI-Based Time Series (2000-2012) For Monitoring Of Vegetation and Climate Change in North-Eastern Punjab, Pakistan”. Global Journal of Human-Social Science 12 (B13):37-54. https://socialscienceresearch.org/index.php/GJHSS/article/view/452.