00305nam a22001217a 4500020002600000082001100026100001500037245002800052250001100080260005100091300001400142650002700156 a0712120211(Paperback) a330HAN aHanson J L aA Textbook Of Economics a7th ed aLondonbThe English Language book Socityc1978 aXXIX,604p aA Textbook of Economic