ARMENGOL, J.; SEGARRA, M. ENERGY STUDY OF THE USE OF ELECTRONIC TICKETS. Centro Azúcar Journal, [S. l.], v. 46, n. 5, p. 1–6, 2019. Disponível em: http://centroazucar.uclv.edu.cu/index.php/centro_azucar/article/view/173. Acesso em: 7 jun. 2025.