Предлагаемые темы внутри своего поиска.
Предлагаемые темы внутри своего поиска.
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Full text available from Agricultural Science Database: 01/01/1985 to 10/31/1985
Full text available from Engineering Database: 01/01/1985 to 10/31/1985
Full text available from Environmental Science Database: 01/01/1985 to 10/31/1985
Full text available from ABI/INFORM Global: 01/01/1986 to 11/30/1998
Full text available from Agricultural Science Database: 01/01/1986 to 11/30/1998
Full text available from Engineering Database: 01/01/1986 to 11/30/1998
Full text available from Environmental Science Database: 01/01/1986 to 11/30/1998
Full text available from ABI/INFORM Global: 01/01/1999 to 07/31/2005
Full text available from Agricultural Science Database: 01/01/1999 to 07/31/2005
Full text available from Engineering Database: 01/01/1999 to 07/31/2005
Full text available from Environmental Science Database: 01/01/1999 to 07/31/2005
Электронный ресурс
Журнал
2
Full text available from Career & Technical Education Database: 04/01/1992 to present
Full text available from Military Database: 04/01/1992 to present
Full text available from Research Library: 04/01/1992 to present
Электронный ресурс
Журнал
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Опубликовано 1990
Full text available from ABI/INFORM Global: 01/01/2006 to presentFull text available from Engineering Database: 01/01/2006 to present
Full text available from Environmental Science Database: 01/01/2006 to present
Full text available from Political Science Database: 01/01/2006 to present
Электронный ресурс
Журнал
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