Srivastava, S.K. <br/><br/>
Monograph of mathematics, astronomy and zoology, botany during ancient period   
by S.K.Srivastava, Poonam Sagar. 
 - Roorkee  University of Roorkee  1986 
 - ii, 24p. 
 - Quality improvement Programme .
<br/><br/><label>Dewey Class. No.: </label>509  / N79