Velásquez Ibarra ​​​​​​​​​Andrés. Helium reaps awards for innovating with solar energy. Rev. DyC. EAFIT [Internet]. 2018 Sept. 17 [cited 2026 Nov. 11];52(169):86-9. Available from: https://publicaciones.eafit.edu.co/index.php/revista-universidad-eafit/article/view/5680