Guidance on the Use of Longitudinal Data for Migration Statistics. 
/by United nations Economic Commission for Europe(UNECE) 
 - Geneva  UNITED NATIONS  2020 
 - vi, 110 pages : illustrations  
<br/><br/><label>ISBN: </label>9789211172638  
<br/><br/><label>Subjects--Topical Terms: </label><br/>MIGRATIONS--STATISTICS, METHODS 
<br/><br/><label>LC Class. No.: </label>UNECE(02)2020/22