Dutta, B.B..
Land use pattern in North-East India / - 1st edn / - Ludhiana : Gagan Publishers. - 167p ;
Economics
X:322.44.9W / M6
Land use pattern in North-East India / - 1st edn / - Ludhiana : Gagan Publishers. - 167p ;
Economics
X:322.44.9W / M6