TOMCZAK, Helena Maria de Amorim. UBSIDIES FOR MONITORING RIVERCROSSINGS AND FISHING BOAT POINTS ON A SECTION OF THE APA RIVER, AT THE BRAZILIAN/PARAGUAYAN BORDER. Geografia, [S. l.], v. 36, p. 9–20, 2011. Disponível em: https://www.periodicos.rc.biblioteca.unesp.br/index.php/ageteo/article/view/5135. Acesso em: 20 fev. 2026.