Careless, J.M.S.
Canada : a story of challenge
Macmillan, 1984
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Careless, J.M.S.
Canada a story of challenge
Macmillan, 1959
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Mahathir bin Mohamad, 1925-
The challenge
Pelanduk Publications, 1986
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Myrdal, Gunnar, 1898-
Challenge to affluence
Pantheon Books, 1963
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Engler, Richard E.
The challenge of diversity
Harper & Row, 1964
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