1. Data Integration. http://www.pentaho.com/product/data-integration. Accessed 6 Febr 2018
2. Data Integration: Talend Enterprise Data Integration Services. http://www.talend.com/products/data-integration. Accessed 6 Febr 2018
3. IBM, InfoSphere Information Server. http://www-03.ibm.com/software/products/en/infosphere-information-server/. Accessed 6 Febr 2018
4. Oracle Data Integrator. http://www.oracle.com/technetwork/middleware/data-integrator/overview/index.html. Accessed 6 Febr 2018
5. IOUG Data Integration For Cloud Survey. http://www.oracle.com/us/products/middleware/data-integration/ioug-di-for-cloud-survey-2596248.pdf. Accessed 27 Febr 2018