
The National Math Festival, 2019 in Washington D. C.
https://www.nationalmathfestival.org/event/mathical-reading-with-judy-cox-sheep-wont-sleep/
The National Math Festival, 2019 in Washington D. C.
https://www.nationalmathfestival.org/event/mathical-reading-with-judy-cox-sheep-wont-sleep/