TY - JOUR AU - Morales-González, José PY - 2017/03/23 Y2 - 2024/03/28 TI - Editorial JF - Revista Umbral JA - Rev. Umbral VL - 0 IS - 5 SE - Editorial DO - UR - https://revistas.upr.edu/index.php/umbral/article/view/8435 SP - 1-3 AB - ER -