FOLKE, S. . Central Place Systems and Spatial Interaction in Nilgiris and Coorg (South India). Geografisk Tidsskrift, [S. l.], v. 66, n. 2, p. 161–178, 1967. Disponível em: https://tidsskrift.dk/geografisktidsskrift/article/view/129046. Acesso em: 20 dec. 2024.