Title:Avaliação de técnicas de homogeneização de solo para detecção de cistos de Giardia duodenalis / Evaluation of soil homogenization techniques for detection of Giardia duodenalis cysts
Title:Los conceptos de validez en la investigación social y su abordaje pedagógico / The concepts of validity in social research and its pedagogical approach
Title:Educación física y formación de formadores : Problemas de identidad docente / Physical education and teacher training. Issues about teacher identity
Title:Materiales virtuales: usos y posibilidades en la enseñanza de la historia reciente / Virtual Materials: uses and possibilities in teaching in recent history