Ali,Ali Suleiman  <br/><br/>
Socio - Economic Impacts of Sand Mining Activities in Zanzibar / 
Ali Suleiman Ali 
 - Dar es salaam:  The Open University of Tanzania,  2020 
 - xvii,84p.:  ill.;  30cm 
<br/><br/> Includes Bibliographical References and Index 
<br/><br/><label>Subjects--Topical Terms: </label>--Sand Mining --Mining - Socio-Economic Impacts
<br/><br/><label>Dewey Class. No.: </label>EA DIS 338.2709678 ALI