Effenberger , Pablo <br/><br/>
 - 1a ed . 
 - Caba   Mandioca  2019 
 - 152 p. 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Matematica 7
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educacion primaria
<br/><br/><label>Dewey Class. No.: </label>372.7  / EFF