Websites

1. GISGeography. 2018. Spatial Databases – Build Your Spatial Data Empire.

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3. Sciencedirect.com. 2021. Computer aided software engineering tool - an overview | ScienceDirect Topics.

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4.  Heo, J., Spatial Database Management System (SDBMS). [online] Coursera.

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5. Wiki.gis.com. 2014. List of GIS software - GIS Wiki | The GIS Encyclopedia.