APA Style
Berov, LyuBen, Hannan, M. A.. ().
Bulgaria's economic development through the ages .
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Chicago Style
Berov, LyuBen, Hannan, M. A..
Bulgaria's economic development through the ages.
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MLA Style
Berov, LyuBen, Hannan, M. A..
Bulgaria's economic development through the ages.
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,
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.
Turabian Style
Berov, LyuBen, Hannan, M. A..
Bulgaria's economic development through the ages.
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,
.
.