Game as didactic strategy to develop numerical thought in the four basic operations SciELO - Scientific Electronic Library Online vol.12 issue1 Critical attitude, a fundamental aspect in education The beautiful and the good in oral and written speech: Pedagogic implications of Platón Phaedrus author index subject index articles search Home Page alphabetic serial listing Services on Demand Journal SciELO Analytics Article Spanish (pdf) Article in xml format Article references How to cite this article SciELO Analytics Automatic translation Send this