Al-Yami, Mesfer, and Martin Phillips. “How the Land Use of Meatpacking District Has Been Changed Since 1840? A Geographic Information System (GIS) Application for Mapping Gentrification Using Historic Data of Land Use and Ownership Changes”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 36, no. 4, Oct. 2017, pp. 185-12, https://www.gssrr.org/JournalOfBasicAndApplied/article/view/7989.