J. D. Hoyos Cifuentes and E. . Borrajo Mena, “La inteligencia emocional en estudiantes universitarios de Colombia y España que practican técnicas de relajación (The emotional intelligence in university students from Colombia and Spain who practice relaxation techniques)”, Retos, vol. 49, pp. 478–484, Jun. 2023, doi: 10.47197/retos.v49.98006.