00498nam 2201719 45000010005000000030023000050050009000280080041000370820011000780720015000890200014001041000009001182600017001273000029001442450070001736500015002436500023002586500025002811719StarLibrary Marc Built20180505201711 ||||| |||||||||||amh  a363.72 aPopulation a897141016 aUNEP bUNFPA c1991 a154 ص: 23؛ 23سم سم aPopulation, Resources and the Environment The Critical Challenges aPopulation anational resources aenvironmental policy