Manuel E. Contreras2026-03-222026-03-22202510.1080/0023656x.2025.2486513https://doi.org/10.1080/0023656x.2025.2486513https://andeanlibrary.org/handle/123456789/58795Citaciones: 1enPolitical scienceSociologyDemographic economicsFrom vanguards to rearguards: the evolution and challenges of Bolivian railway workers, <i>c</i> . 1907–1964article