A printed body of the Union of Scientists in Bulgaria
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1505 Sofia
39, Madrid Blvd., floor 2
Nauka (Science)
Editoral Office
Mrs. Penka Lazarova
Tel.: +359 2 444 37 44, +359 879 008 232
e-mail: lazarova@usb-bg.org
1505 Sofia
39, Madrid Blvd., floor 2
Nauka (Science)
Editoral Office
Mrs. Penka Lazarova
Tel.: +359 2 444 37 44, +359 879 008 232
e-mail: lazarova@usb-bg.org