Vol 8, No 3 (2021)


Table of Contents

Front Matter

Front Matter
J. Econ. Library i-iv


Factors for inclusion of wastewater treatment sludgein agri-food chain in Bulgaria
Hrabrin Ianouchev BACHEV, Bozhidar IVANOV 107-129
Dynamics of science under period of crisis and environmental threat
Mario COCCIA 130-155
The balance sheet of the exchange stabilization fund, 1934-2019
Jiemin SHENG 156-164

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