Title:Compulsory education laws or incentives from conditional cash transfer programs: explaining the rise in secondary school attendance rate in Argentina / ¿Leyes de educación obligatoria o incentivos de programas de transferencias condicionadas? Explicando el aumento de la tasa de asistencia al secundario en Argentina / ¿Leis de educação obrigatória ou incentivos de programas de transferências condicionadas? Explicando o aumento na taxa de frequência escolar no ensino secundário na Argentina
Title:Electric field lines: The implications of students' interpretation on their understanding of the concept of electric field and of the superposition principle