00329nam a2200121 a 450000500170000008200160001710000190003324500340005226000660008630000190015263000260017163000100019720251203090649.0  a333.54bSHA  aShakker Singh.  aEnvironmental policy in India  aNew DelhiianbIndian Institute of Public Administrationc1984  axii,164 p.bPB  aEnvironmental Science  aIndia