https://sites.google.com/site/fizicateoriahaosului/geometrie-fractala

http://www.fractal.org/Bewustzijns-Besturings-Model/Fractals-Useful-Beauty.htm

https://users.math.yale.edu/public_html/People/frame/Fractals/

https://georgemdallas.wordpress.com/2014/05/02/what-are-fractals-and-why-should-i-care/

http://teoriahaosului11b.blogspot.com/2014/06/elemente-de-geometrie-fractala.html

https://interweber.ru/ro/operating-systems-os/fraktalnaya-grafika-primery-izobrazhenii-kak-ustroen-fraktal.html