570<br/>PUR<br/><br/>
26312663<br/><br/>
Purang, Y P [et Al] <br/><br/>
Senior School Biology 
/ Y P Purang [et al] 
. – Delhi :  Frank Bros, 1980.
<br/><br/>various pagings 
<br/><br/>ISBN  : Rs. 33.75/-.
<br/><br/><label>Subjects--Topical Terms: </label><br/>BIOLOGY
<br/><br/><label>Dewey Class. No.: </label>570  / PUR