00407nam a22001457a 4500020001800000082001500018100003400033130001700067240003600084245007700120250000600197260003400203300000800237650001600245  a9788120047891  a630bPAU/K  aപോൾസൺ താം   aPaulson Tham  aKrishiyile prakrithi niyamangal  aകൃഷിയിലെ പ്രകൃതിനിയമങ്ങൾ    a2  bKerala Bhasha Institutec2019  a102  aAgriculture