Sona Patterns - Revisiting the Contributions of the People in Sub-Saharan Africa to Modern Mathematics
… (Agnes Scott College, 1995) https://www.agnesscott.edu/lriddle/women/hypatia.htm acessed 28th August 2018. ↵ … with African Sona Designs. (sine datum) https://www.beloit.edu/computerscience/faculty/chavey/sonaExperiments/ accessed … by African Sona, (Beloit College, sd) https://www.beloit.edu/computerscience/assets/Wallpaper_Sona.pdf , accessed 10 …