Take-off stage :    the Rivers State of Nigeria. 

 - Lagos :    Information Section, Office of the Governor,    1970. 
 - 24 p. :    ill. ;    24 cm. 
<br/><br/><label>Subjects--Geographic Terms: </label><br/> Nigeria -- Economic conditions.<br/> Nigeria -- Politics and government<br/> Nigeria -- Social conditions.
<br/><br/><label>Dewey Class. No.: </label>330.9166942