007700000a22002650004500 240407b |||||||| |||| 00| 0 eng d NNB 99933-1-903-1 Nep N333.7 J944v Gurung, Juddha Bahadur Vatavaran bigyan: ek parichaya वातावरणविज्ञानःएक परिचय An introduction to environmental science Kathmandu: Ekata Books, 2057 B.S. 116p. Environment Environmental pollution 1882 Environmental protection Pollution Deforestation 2356 Water pollution Population GEN ddc 25670 25670 0 0 ddc 0 0 TUCL TUCL 2010-06-20 0 N333.7 J944v N 123767N 2010-06-20 00:00:00 2010-06-20 NCN 0 0 ddc 0 0 TUCL TUCL 2010-06-20 0 N333.7 J944v N 124087N 2010-06-20 00:00:00 2010-06-20 NCN 0 0 ddc 0 0 TUCL TUCL 2010-06-20 0 N333.7/G944v 124432 2010-06-20 00:00:00 2010-06-20 G-NC 0 0 ddc 0 0 TUCL TUCL 2010-06-20 0 N333.7/G944v 124433 2010-06-20 00:00:00 2010-06-20 G-NC