ISI <br/><br/>
Indian standard guide for selection of type and page layout in text books 
ISI 
 - 
 - London  Indian standards Institution  1972 
<br/><br/>  
<br/><br/><label>ISBN: </label> Rs 
<br/><br/><label>Dewey Class. No.: </label>025.4 DEP/CLA/36