Vol. 8 No. 3 (2021)

Published October 29, 2021

September

Front Matter

J. Econ. Library

i-iv

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Articles

Hrabrin Ianouchev BACHEV, Bozhidar IVANOV

107-129

Factors for inclusion of wastewater treatment sludgein agri-food chain in Bulgaria

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Mario COCCIA

130-155

Dynamics of science under period of crisis and environmental threat

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Jiemin SHENG

156-164

The balance sheet of the exchange stabilization fund, 1934-2019

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