00488nam a2200181Ia 4500 170901s2006 xx 000 0 und d 8176297542 363.7 K98E Ratnesh, Kumar Environmental Economics New Delhi Deep and Deep Publications Pvt. Ltd. 2006 149 Social problems and services Social sciences Economics Environmental sciences ddc BK 3977 3977 0 0 ddc 0 0 RAU RAU 2017-10-18 DDPPL, New Delhi 320.00 0 363.7 K98E 54739 2017-10-18 2006-08-04 BK