A philosophy focused in the life (on the occasion of the 200th anniversary of the birth of Karl Marx: 1818-2018) . Graffylia Rev. Fac. Fil. Let. [Internet]. 2017 Jul. 31 [cited 2026 Sep. 23];2(3):44-55. Available from: https://graffylia.buap.mx/index.php/revista/article/view/291