E.R.B papers 1966, 1967 and 1968 
Author 
 - Dar es Salaam  University of Dar es Salaam Press  1968 
 - various pagings  ill.  34cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic research
<br/><br/><label>LC Class. No.: </label>IRA HC12.E3 1968-1965