Statistical abstract  1981:  Central bureau of statistics ministry / 
ministry of economic planning and development 
 - Central Bureau of Statistics,  1981 
 - Volumes 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Statistics-- Periodicals
<br/><br/><label>LC Class. No.: </label>HA 4693  / .K4 1981