Velev, M., Ilieva, L., Todorov, T. Modeling photovoltaic electricity production in Bulgaria,
, , ISSN 1314-0167.
Velev, M., Ilieva, L., Todorov, T. .
Modeling photovoltaic electricity production in Bulgaria.
: , , ISSN 1314-0167.
Velev, M., Ilieva, L., Todorov, T. ()
Modeling photovoltaic electricity production in Bulgaria,
: , ISSN 1314-0167
Velev, M.,
Ilieva, L., &
Todorov, T.
().
Modeling photovoltaic electricity production in Bulgaria. // <I>J.<D> of Entrepreneurship & innovation, 4, 2012, № 4, p. 75-87..