Sooniyakasam  ശൂന്യാകാശം 

 - Kottayam  Deepika Book House   1978 
 - 92 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General-
<br/><br/><label>Dewey Class. No.: </label>894.812 2  / SET-S