“Los hermanos Humboldt desde la perspectiva de la educación superior cubana / The Humboldt brothers from the perspective of Cuban higher education” (2019) Islas, 61(193), pp. pp. 127–142. Available at: https://islas.uclv.edu.cu/index.php/islas/article/view/1098 (Accessed: 2 July 2026).