Kurse

Bulgaria: <a href="https://creativecommons.org/licenses/by-sa/2.5/bg/" data-type="URL" data-id="https://creativecommons.org/licenses/by-nd/2.5/bg/" target="_blank" rel="noreferrer noopener">Признание-Споделяне на споделеното 2.5 България (CC BY-SA 2.5 BG)
English: <a href="https://creativecommons.org/licenses/by-sa/4.0/" data-type="URL" data-id="https://creativecommons.org/licenses/by-nd/4.0/" target="_blank" rel="noreferrer noopener">Attribution-ShareAlike 4.0 International CC BY-SA 4.0
Español: <a href="https://creativecommons.org/licenses/by-sa/2.0/es/" data-type="URL" data-id="https://creativecommons.org/licenses/by-nd/2.0/es/" target="_blank" rel="noreferrer noopener">Atribución-CompartirIgual 2.0 Genérica (CC BY-SA 2.0 ES)
German: <a href="https://creativecommons.org/licenses/by-sa/3.0/de/" data-type="URL" data-id="https://creativecommons.org/licenses/by-nd/3.0/de/" target="_blank" rel="noreferrer noopener">Namensnennung - Weitergabe unter gleichen Bedingungen 3.0 Deutschland (CC BY-SA 3.0 DE)

Schwierigkeitsgrad: EinfachDauer: 4 StundenFortschritt: 0%