[enkimute]

don't foget the fantastic Sudgy 'A swift introduction to projective geometric algebra' : https://www.youtube.com/watch?v=0i3ocLhbxJ4

and ofcourse the go-to reference https://bivector.net

or join 1000+ profs, researchers and enthusiasts on the bivector discord here https://discord.gg/vGY6pPk