Economic and operations report. 

 - Dar es Salaam ,    1971- 
 - v. ;  27 cm. 
 - Annual 
 - 1971-1995 
<br/><br/><label>ISSN: </label>0067-3757 
<br/><br/><label>Gov. Doc. Class. No.: </label>G EAT B3 (058) 1