Química en ejercicios / 
Pablo Evelson [and 5 others]. 
 - 1o edición. 
 - 1 online resource :  illustrations. 
<br/><br/><label>ISBN: </label>9789502322698 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry--Problems, exercises, etc.
<br/><br/><label>LC Class. No.: </label>QD42 ebook