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21
22
Được phát hành 1988
Full text available from Canadian Business & Current Affairs Database: 01/01/2011 to presentFull text available from Earth, Atmospheric & Aquatic Science Database: 01/01/2011 to present
Full text available from Environmental Science Database: 01/01/2011 to present
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23
24
Full text available from Career & Technical Education Database: 04/01/1998 to 12/31/2002
Full text available from Engineering Database: 04/01/1998 to 12/31/2002
Full text available from Military Database: 04/01/1998 to 12/31/2002
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Tạp chí
25
26
Full text available from Advanced Technologies & Aerospace Database: 01/01/2006 to 04/30/2009
Full text available from Engineering Database: 01/01/2006 to 04/30/2009
Full text available from Science Database: 01/01/2006 to 04/30/2009
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27
28
29
Full text available from Computer Science Database: 05/01/2011 to 09/30/2017
Full text available from Continental Europe Database: 05/01/2011 to 09/30/2017
Full text available from Library Science Database: 05/01/2011 to 09/30/2017
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30
Full text available from Advanced Technologies & Aerospace Database: 01/01/2008 to 12/31/2009
Full text available from Computer Science Database: 01/01/2008 to 12/31/2009
Full text available from Engineering Database: 01/01/2008 to 12/31/2009
Full text available from ABI/INFORM Global: 01/01/2011 to present
Full text available from Advanced Technologies & Aerospace Database: 01/01/2011 to present
Full text available from Computer Science Database: 01/01/2011 to present
Full text available from Engineering Database: 01/01/2011 to present
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31
Full text available from Advanced Technologies & Aerospace Database: 01/01/2004 to present
Full text available from Computer Science Database: 01/01/2004 to present
Full text available from Latin America & Iberia Database: 01/01/2004 to present
Full text available from Research Library: 01/01/2004 to present
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Số seri
32
33
34
Được phát hành 1989
Full text available from ABI/INFORM Global: 03/01/2003 to presentFull text available from Earth, Atmospheric & Aquatic Science Database: 03/01/2003 to present
Full text available from Engineering Database: 03/01/2003 to present
Full text available from Environmental Science Database: 03/01/2003 to present
Full text available from Materials Science Database: 03/01/2003 to present
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35
Được phát hành 1989
Full text available from ABI/INFORM Global: 02/01/2003 to presentFull text available from Continental Europe Database: 02/01/2003 to present
Full text available from Earth, Atmospheric & Aquatic Science Database: 02/01/2003 to present
Full text available from Engineering Database: 02/01/2003 to present
Full text available from Environmental Science Database: 02/01/2003 to present
Full text available from Materials Science Database: 02/01/2003 to present
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Tạp chí
36
37
38
Được phát hành 1984
Full text available from Engineering Database: 01/01/2017 to 01/31/2018
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39
40