Olivar Noguera, Ignacio <br/><br/>
Ejercicios de agilidad mental / 
Ignacio Olivar Noguera. 
 - 2da ed. 
 - Madrid :  Editorial CCS,  2009, 2008. 
 - 236 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>9788498422085 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Memory<br/>Puzzles.<br/>Thought and thinking--Problems, exercises, ect.<br/>Matemathical and recreations<br/>Educational games<br/>Mnemonics.
<br/><br/><label>LC Class. No.: </label>BF385  / .O4 2009