1. Drupal.org {online}: https://www.drupal.org/. Drupal.org {online}: https://www.drupal.org/.
2. IntelliJ IDEA {online}: https://www.jetbrains.com/idea/. IntelliJ IDEA {online}: https://www.jetbrains.com/idea/.
3. Joomla!.org {online}: https://www.joomla.org/. Joomla!.org {online}: https://www.joomla.org/.
4. PhpStorm {online}: https://www.jetbrains. PhpStorm {online}: https://www.jetbrains.
5. THM - MNI Website {online}: http://www.mni.thm.de/index.php/fachbereich/mitarbeiter. THM - MNI Website {online}: http://www.mni.thm.de/index.php/fachbereich/mitarbeiter.