Sahni, A K <br/><br/>
Book Of Knowledge 

 - Delhi  Parent Teacher Association of India  1985 
 - 180p. 
<br/><br/><label>Subjects--Uniform Titles: </label>--Reference reading room
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias in American English --Computer science, information & general worksGeneralia--General encyclopedic works
<br/><br/><label>Dewey Class. No.: </label>31  / SAH-B