Title:Aportes para el estudio de la tutela sindical en el régimen jurídico vigente / Contributions to the study of sindical custody of trade unions in the legal system in force
Title:Civil engineer training, the northeast railroad and the BTS divided highway / La formación de ingenieros civiles: una experiencia con el ferrocarril del Nordeste y la doble calzada BTS / A formação de engenheiros civis, a estrada de ferro do nordeste e a dupla calçada BTS