ISO/IEC 20000-1 Information technology - Service management :  part 1: service management system requirements / 
ISO/IEC. 
 - 2nd  ed. 
 - Geneva :  ISO/IEC,  2011. 
 - vii, 26  p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Decision support systems.