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21
Publicado 1992
Full text available from Agricultural Science Database: 01/01/2008 to presentFull text available from Career & Technical Education Database: 01/01/2008 to present
Full text available from East Europe, Central Europe Database: 01/01/2008 to present
Full text available from Engineering Database: 01/01/2008 to present
Electrónico
Revista
22
Publicado 2000
Full text available from Agricultural Science Database: 01/01/2003 to present
Electrónico
Revista
23
24
25
26
27
28
29
Publicado 1991
Full text available from East Europe, Central Europe Database: 01/01/2017 to present
Electrónico
Revista
30
31
32
Publicado 1998
Full text available from Agricultural Science Database: 01/01/1999 to present
Electrónico
Revista
33
34
35
Publicado 1998
Full text available from Agricultural Science Database: 01/01/2003 to 12/31/2004Full text available from Biological Science Database: 01/01/2003 to 12/31/2004
Full text available from Environmental Science Database: 01/01/2003 to 12/31/2004
Full text available from Agricultural Science Database: 01/01/2006 to present
Full text available from Biological Science Database: 01/01/2006 to present
Full text available from Environmental Science Database: 01/01/2006 to present
Electrónico
Revista
36
37
Full text available from East Europe, Central Europe Database: 01/01/2006 to present
Full text available from Military Database: 01/01/2006 to present
Full text available from Science Database: 01/01/2006 to present
Electrónico
Revista
38
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