http://myengineeringbook.com/autocad/%D8%B1%D8%B3%D9%85-%D8%A7%D9%84%D9%85%D8%B6%D9%84%D8%B9%D8%A7%D8%AA-polygons-%D8%A7%D9%84%D8%A3%D9%85%D8%B1-explode-%D8%A7%D9%84%D8%A3%D9%85%D8%B1-move-%D8%A7%D9%84%D8%A3%D9%85%D8%B1-copy-%D8%A7%D9%84/

https://www.sciencedirect.com/science/article/pii/0141119585900944

http://www.ipmserp.com/?gclid=CjwKCAjwyOreBRAYEiwAR2mSkg8D0adV2NJCIkZIDFfWe7lBRFLR7xPKX89Prq4n2xrlzWjkFwjp4xoCcYUQAvD_BwE

https://olx.com.eg/en/properties/properties-for-rent/6th-of-october/q-polygon/?invite=google-search_1493044763–60557322151–kwd-298225779260–286122421094&gclid=CjwKCAjwyOreBRAYEiwAR2mSklw76TT5m7REsxltepjrF1oQXsqkEc7ydGiSCzwz-yAmK7SlbWo2gBoC3ngQAvD_BwE

https://ar.wikipedia.org/wiki/%D9%85%D8%A7%D9%8A%D8%A7_(%D8%A8%D8%B1%D9%85%D8%AC%D9%8A%D8%A7%D8%AA)

https://www.mathsisfun.com/definitions/polygon.html

https://community.esri.com/thread/193695-how-do-i-extract-vegitation-polygons-from-ndvi-data

http://pro.arcgis.com/en/pro-app/tool-reference/analysis/create-thiessen-polygons.htm