metodología de la investigación investigación investigación científica 19. st 19th century Conseil de la vie française en Amérique Dead -- Political aspects Dead -- Social aspects Dignity Erosion Français (langue) JA1-92 Martel, E. A Natural radionuclides Québec Sand Sediment dynamic Shaw, Trevor Society & culture: general Tracers XIXe siècle autonomie bic Book Industry Communication::G Reference, information & interdisciplinary subjects::GP Research & information: general::GPS Research methods: general bic Book Industry Communication::J Society & social sciences::JF Society & culture: general bic Book Industry Communication::J Society & social sciences::JN Education::JNU Teaching of a specific subject canada français desafíos french canada history instrumentos