BONILLA, Heraclio. Islay And The Economy Of Southern Peru In 19th Century. Apuntes. Social Sciences Journal, [S. l.], n. 2, p. 31–47, 1974. DOI: 10.21678/apuntes.2.83. Disponível em: https://revistas.up.edu.pe/apuntes/article/view/83. Acesso em: 16 sep. 2026.