Enrick, Norbert Lloyd,  1920- <br/><br/>
Management operations research / 
Norbert lloyd enrick 
 - 320 páginas 
 - Modern management series .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Investigación de operaciones
<br/><br/><label>LC Class. No.: </label>HD20  / E5