Turtle graphics (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Turtle graphics" in English language version.

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atarimagazines.com

Thornburg, David D. (March 1983). "Friends of the Turtle: On Logo And Turtles". Compute!. p. 148. Retrieved 6 October 2013.

doi.org

Verhoeff, Tom (2010). "3D turtle geometry: artwork, theory, program equivalence and symmetry". International Journal of Arts and Technology. 3 (2/3): 288–319. doi:10.1504/IJART.2010.032569. Retrieved 28 February 2021.

maecla.it

Pietrocola, Giorgio (2005). "Tartapelago". Maecla.

python.org

docs.python.org

"25.1. turtle — Turtle graphics — Python 3.7.0 documentation". docs.python.org. Retrieved 2018-08-23.

researchgate.net

Verhoeff, Tom (2010). "3D turtle geometry: artwork, theory, program equivalence and symmetry". International Journal of Arts and Technology. 3 (2/3): 288–319. doi:10.1504/IJART.2010.032569. Retrieved 28 February 2021.

rutgers.edu

python.camden.rutgers.edu

"3. Hello, little turtles! — How to Think Like a Computer Scientist: Learning with Python 3". python.camden.rutgers.edu. Retrieved 2018-08-23.

spencertipping.com

Spencer Tipping on cheloniidae(retrieved 2016-9-17)

wustl.edu

cs.wustl.edu

Goldman, Ron; Schaefer, Scott; Ju, Tao. "Turtle Geometry in Computer Graphics and Computer Aided Design" (PDF). CSE.WUSTL.edu.