00475nam 2201820 45000010005000000030023000050050009000280080041000370820008000780720017000860200015001031000021001182600026001393000025001652450129001901820StarLibrary Marc Built20180505201711 ||||| |||||||||||amh  a305 aSociobiology a9231019945 aThe Unesco Press bUnited Nations c1981 a323 ص: ill؛ 21سم aStatistical Digest bA StatisticalSummary Of Data On Education, Science and technology, Culture and Commuication, by Coutry