The Revolutionary Party of the Workers of Bolivia (Spanish: Partido Revolucionario de los Trabajadores de Bolivia, PRTB) was a political party in Bolivia, formed in 1972 as the political wing of the National Liberation Army (ELN).
PRTB later moved away from the foquismo line of ELN.
[2] In 1978, PRTB formed part of the Revolutionary Left Front.
[3] In the July 1979 elections, PRTB supported the Popular and Democratic Union.
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