Performance indicators for public telecommunications operators. 

 - Paris :  Organisation for Economic Co-operation and Development,  1990. 
 - 182 p. :  ill. 
 - Information computer communications policy ;  22 .
<br/><br/>Includes bibliographical references (p. 179-182). 
<br/><br/><label>ISBN: </label>9264134034 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telephone companies--Evaluation.