Pratirodham sasyannalil / 
State Institute of Education 
 - Trivandrum :  S. I. E.,  1967 
 - 57 p. :  ill. ;  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Seeds--Dormancy
<br/><br/><label>Dewey Class. No.: </label>581.52