Lal's commentaries on water and air pollution laws

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• Lal's commentaries on water , air pollution and environment protection laws
  Publicado em: (1990)
• Lal's commentaries on water and air pollution and environment protection laws ( Volume 1 )
• Lal's commentaries on water and air pollution and environment protection laws ( Volume 2 )
• Law on protection of environment and prevention of pollution central and states
  por: Chaturvedi, R. G Chaturvedi, M. M
  Publicado em: (1993)
• Lal's commentary on water and air pollution and environment protection laws along with allied laws, state acts, rules and notifications ( 2 Volumes )
  Publicado em: (2002)