00326nam a2200097Ia 4500008004100000100003500041245009500076260004000171260000900211300000800220200302s9999    xx            000 0 und d  aAbdeen Mustafa Omer and Others  aSustainable development and environmental management Innovatons, sciences and technologies  bDiscovery Pubishing House Pvt. Ltd.  c2018  a356