Sen Gupta, B. <br/><br/>
Manufacture of catechu :  a handbook explaining the modern scientific processes of manufacture of cutch and katha with detailed description of the trade varieties, production and trade / 
by B. Sen Gupta 
 - Calcutta :  Industry Publishers,  1946 
 - iv, 102 p. ;  19 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Catechu
<br/><br/><label>Dewey Class. No.: </label>338.1