Ayyangar, N.R. . <br/><br/>
A Course in Industrial Chemistry Part I /  Textual Documents 
N.R. Ayyangar...(et al). 
 - Delhi :  Orient Lomgman ,  C 1977. 
 - 195p. :  ill. ;  22cm. . 
<br/><br/><label>Subjects--Index Terms: </label>G -Che Industrial Chemistry PG-Chemistry 
<br/><br/><label>Dewey Class. No.: </label>666