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Estructura económica de Panamá : el problema del Canal
Turner Morales, David, (1958)
The People of Panama
Biesanz, John, (1955)
Panama Canal, 1971 : hearings before the Subcommittee on Inter-American Affairs of the Committee on Foreign Affairs, House of Representatives, Ninety-Second Congress, First Session on H. Res. 74, 154, 156, and other resolutions ... September 22 and 23, 1971
(1971)