A batalha das línguas artificiais (volapük, o primeiro ator) The battle of the artificial languages (volapük, the first mover)

by Roberto Garvía
Published 2012-11-01

Esperanto and its Rivals. The Struggle for an International Language

by Roberto Garvía
Published 2017-01-01

Corporativismo en el área del bienestar. El caso de la Organización Nacional de Ciegos

by ROBERTO GARVÍA SOTO
Published 1994-01-01

Conflict in Catalonia: A Sociological Approximation

by Thomas Jeffrey Miley, Roberto Garvía
Published 2019-10-01