Unesco science report towards 2023/ 
Unesco publishing 
 - 2nd 
 - paris  United nation educational scientific and cultural organization  2015 
 - xxii, 794p;ill  pbk 
<br/><br/><label>ISBN: </label>9789231001291 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science- periodicals
<br/><br/><label>LC Class. No.: </label>Q 10. U5 2015