He was active in the trade unions Argentine Workers' Center (CTA) and the Association of State Workers.

Six leaders of the Argentine Workers' Central, that country's second-largest trade union, gave the judge the expanded list of victims.

In 1901, Argentina's first national labor confederation, the Argentine Workers' Federation (FOA), was founded.

He attended a May 9, 2001, tribute to the populist former first lady, Eva Perón, at the Argentine Workers' Center headquarters.

Moreover the Argentine Workers' Policy group led by Jorge Altamira was close to the OCI.

Hugo Yasky is general secretary of the Argentine Workers' Centre (CTA), a major trade union federation in Argentina.

The Argentine Workers' Central Union requested the removal of the TBA administration of the train.

Sala subsequently joined the Argentine Workers' Center (CTA).

He created a violent wing of the Argentine Workers' Central Union, the FTV ("Federación de Tierra y Vivienda").

Recognition of the Argentine Workers' Central Union (CTA).