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Diamonds by the Numbers

Jason McClure

出版	Weigl Educational Publishers Limited, 2013-07
主題	Juvenile Nonfiction / Science & Nature / Earth Sciences / Rocks & MineralsJuvenile Nonfiction / People & Places / Canada
ISBN	17707125699781770712560
URL	http://books.google.com.hk/books?id=DF2QngEACAAJ&hl=&source=gbs_api

註釋

Diamonds are one of Canada's most important resources. The diamond industry supports thousands of jobs, from mining to jewellery making. Canada's diamond industry contributes billions of dollars to the ecomony each year.