CABALLERO ALAYO, . . C. . The theme of life in Los heraldos negros by César Vallejo. Espergesia, [S. l.], v. 5, n. 1, p. 1–9, 2018. DOI: 10.18050/Rev.Espergesia.v5i1.1443. Disponível em: https://revistas.ucv.edu.pe/index.php/espergesia/article/view/933. Acesso em: 19 dec. 2024.