International encyclopaedia of science & technology EducationInternational encyclopaedia of science & technology Education 

 - NewDelhi  Discovery,,  2000 
 - 442p.;  22cm 
 - Vol.11 .
<br/><br/><label>ISBN: </label>8171415482 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopaedia of Science
<br/><br/><label>Dewey Class. No.: </label>507  / RAO