La cuestión Puyango-Tumbes
By: Jorge Hugo Rengel.
Edition: 1. ed.
Publisher: Editorial La Emancipada
Published: 1991
Place of publication: Loja, Ecuador
Language: spa
Number of pages: 149
Subjects: Water resources development -- Tumbes River (Ecuador and Peru); Loja (Ecuador : Province) -- Economic conditions.; Ecuador -- Boundaries -- Peru.; Peru -- Boundaries -- Ecuador.