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Energy /
by Ostopowich, Melanie.
Publication:
Calgary : Weigl Educational Publishers, 2007
. 48 p. :
, Includes index.
29 cm.
Date:2007
Availability:
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(1),
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Manufacturing /
by Schwartzenberger, Tina.
Publication:
Calgary : Weigl Educational Publishers, 2007
. 48 p. :
29 cm.
Date:2007
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(1),
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Mining /
by Matthews, Sheelagh.
Publication:
Calgary : Weigl Educational Publishers, 2007
. 48 p. :
, Includes index.
29 cm.
Date:2007
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(1),
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Business and industry /
by Oleksy, Walter G.,
Publication:
New York : Facts on File, 1996
. x, 130 p. :
24 cm.
Date:1996
Availability:
Copies available:
(1),
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