Keegel, E L <br/><br/>
Monographs on tea production in ceylon  tea research institute 

 - Colombo  H W cave and co. ltd.  1956 
 - 163p.; 23cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Factory hygiene<br/>Hygiene<br/>Tea - ceylon<br/>Tea manufacture