Manorama yearbook 2021 / 
Chief editor Mammen Mathew 
 - Kottayam:  Malayala Manorama Press,  2021. 
 - 1039 p. : 
<br/><br/><label>ISBN: </label>9789389649581 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Year Book India --Reference<br/>Reference book India --Manorama
<br/><br/><label>Dewey Class. No.: </label>R 315.4  / MAT P21M