Njengite, Hamidu Hemed <br/><br/>
The Influence of Quality Certification System on the Improvement of Local Consumers' Health:  A Case of Fishery Products in Ilala-Dar es Salaam/ 
Hamidu Hemed Njengite. 
 - Dar es Salaam:  The Open University of Tanzania,  2023. 
 - xvi,84p.:  ill.;  30cm. 
<br/><br/> Includes Bibliographical Reference 
<br/><br/><label>Subjects--Topical Terms: </label>--Local Consumer's Health
<br/><br/><label>Dewey Class. No.: </label>EA.DIS.910.029678 NJE