GALLEGOS HEREDIA, Poll Cristian. El Ofir inagotable: Raúl Porras Barrenechea y la Amazonia Peruana. ISHRA, Revista del Instituto Seminario de Historia Rural Andina, [S. l.], n. 4, p. 35–46, 2020. DOI: 10.15381/ishra.v0i4.16590. Disponível em: https://revistasinvestigacion.unmsm.edu.pe/index.php/ishra/article/view/16590.. Acesso em: 4 may. 2024.