Maths teacher Diarra Bousso Gueye was grading a set of algebra papers when she had a Eureka moment.
원문출처 : https://www.cnn.com/2020/02/06/africa/senegalese-math-fashion-designer/index.html
원문출처 : https://www.cnn.com/2020/02/06/africa/senegalese-math-fashion-designer/index.html