Title: | Экология |
Subtitle: | |
Nationality: | Русия |
ISSN: | 0367-0597 |
UDC: | 502 |
Note: |
`P.K. Yavorov` Public Library - | Bourgas - | 2004 |
`Prof. A. Zlatarov` University - | Bourgas - | 2002 |
`K. Preslavski` Shoumen University - | Shoumen - | 1998 |
`K. Preslavski` Shoumen University - | Shoumen - | 1999 |
`K. Preslavski` Shoumen University - | Shoumen - | 2000 |
`K. Preslavski` Shoumen University - | Shoumen - | 2001 |
`K. Preslavski` Shoumen University - | Shoumen - | 2003 |
`K. Preslavski` Shoumen University - | Shoumen - | 2004 |
`K. Preslavski` Shoumen University - | Shoumen - | 2005 |
`K. Preslavski` Shoumen University - | Shoumen - | 2006 |
`K. Preslavski` Shoumen University - | Shoumen - | 2007 |
`K. Preslavski` Shoumen University - | Shoumen - | 2008 |
`K. Preslavski` Shoumen University - | Shoumen - | 2009 |
`K. Preslavski` Shoumen University - | Shoumen - | 2010 |
`K. Preslavski` Shoumen University - | Shoumen - | 2011 |
`K. Preslavski` Shoumen University - | Shoumen - | 2012 |
`K. Preslavski` Shoumen University - | Shoumen - | 2015 |
Technical University - | Varna - | 1998 |
Technical University - | Varna - | 2000 |
Varna Free University - | Varna - | 1998 |
Varna Free University - | Varna - | 1999 |
Varna Free University - | Varna - | 2000 |
Varna Free University - | Varna - | 2002 |
Varna Free University - | Varna - | 2003 |
Varna Free University - | Varna - | 2004 |
Varna Free University - | Varna - | 2005 |
Varna Free University - | Varna - | 2006 |
Varna Free University - | Varna - | 2008 |
Varna Free University - | Varna - | 2009 |
Varna Free University - | Varna - | 2010 |
Varna Free University - | Varna - | 2011 |
Varna Free University - | Varna - | 2012 |
Varna Free University - | Varna - | 2013 |
`P. Slavejkov` Public Library - | Varna - | 2001 |
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