Desc: Ejercicios de memoria: Directed by Paz Encina. With Elba Elisa Benítez de Goiburú, Hebe Duarte, Patricia Goiburú Benitez, Rogelio Goiburú Benitez. An experimental documentary centering on memories by the children of Agustin Goiburu, who was the most important political opponent of US-supported dictator Alfredo Stroessner (Ruled Paraguay 1954-1989). Goiburu was disappeared in 1979 .