T.P.Kunjikannan ed Keralam 2020:Vyavasayam,Paristhithi,Oorjam,Krishi,Vidyabhyasam,Tourism,Gathagatham,Dhanakaryam,Arogyam,Skill Development - Kottayam DC Books 2017 - 160p ISBN: 9788126466771 Dewey Class. No.: 894.8124 / KER.K