00314nam a22001097a 4500020001800000082001500018100005600033245002200089260003800111300001000149365004500159  a9780192820808  a363.7bOUR  aThe World Commission on Environment and Development  aOur Common Future  aUKbOxford University Pressc2009  a400p.  f1469.13jSBDHO/2025/CRB/559 Dt.14/8/2025