Siniscalco, María Teresa <br/><br/>
The establishment of an international reading resources scale :  an exploratory study using modern item response theory / 
María Teresa Siniscalco, Kenneth N. Ross. 
 - Paris :  UNESCO, International Institute for Educational Planning,  1997 
 - vi, 91 p. :  tablas 
 - Issues and methodologies in educational development ;  13 .
<br/><br/><label>Encabezamiento--Tema: </label><br/>Educación --Aspectos económicos