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Author Jan Pawlak
 
RESEARCH PAPER
 

ASSESSMENT OF ECONOMIC EFFECTS OF GHG EMISSION REDUCTION ON THE EXAMPLE OF FIELD CROP FARMS
Jan Pawlak
Zagadnienia Ekonomiki Rolnej / Problems of Agricultural Economics 2018;354(1):170–191
DOI: https://doi.org/10.30858/zer/89621
 
RESEARCH PAPER
 

EQUIPMENT WITH DRAFT FORCE AND LABOUR PRODUCTIVITY IN THE POLISH AGRICULTURE
Jan Pawlak
Zagadnienia Ekonomiki Rolnej / Problems of Agricultural Economics 2017;352(3):146–163
DOI: https://doi.org/10.30858/zer/83038
 
RESEARCH PAPER
 

METHODOLOGICAL ASSUMPTIONS TO ASSESS THE ECONOMIC EFFECTS OF REDUCTION IN GREENHOUSE GAS EMISSION IN AGRICULTURE
Jan Pawlak
Zagadnienia Ekonomiki Rolnej / Problems of Agricultural Economics 2017;351(2):139–152
DOI: https://doi.org/10.30858/zer/83025
 
RESEARCH PAPER
 

RELATIONS BETWEEN PRODUCTION VOLUME AND DRAFT FORCE RESOURCES IN POLISH AGRICULTURE
Jan Pawlak
Zagadnienia Ekonomiki Rolnej / Problems of Agricultural Economics 2016;349(4):122–142
DOI: https://doi.org/10.5604/00441600.1225667
 
RESEARCH PAPER
 

INVESTMENT OUTLAYS IN POLISH AGRICULTURE
Jan Pawlak
Zagadnienia Ekonomiki Rolnej / Problems of Agricultural Economics 2016;348(3):143–158
DOI: https://doi.org/10.5604/00441600.1218273
 
RESEARCH PAPER
 

VALUE OF PRODUCTION VERSUS INPUTS AND COSTS OF ENERGY IN AGRICULTURE
Jan Pawlak
Zagadnienia Ekonomiki Rolnej / Problems of Agricultural Economics 2016;346(1):80–96
DOI: https://doi.org/10.30858/zer/83052
 
RESEARCH PAPER
 

PRODUCTION OF FARM MACHINES IN POLAND IN 2012-2014
Jan Pawlak
Zagadnienia Ekonomiki Rolnej / Problems of Agricultural Economics 2015;345(4):94–104
 
RESEARCH PAPER
 

ENERGY COSTS IN THE POLISH AGRICULTURE
Jan Pawlak
Zagadnienia Ekonomiki Rolnej / Problems of Agricultural Economics 2013;336(3):82–98
 
RESEARCH PAPER
 

CENY OLEJU NAPĘDOWEGO A KOSZTY EKSPLOATACJI MASZYN W ROLNICTWIE
Jan Pawlak
Zagadnienia Ekonomiki Rolnej / Problems of Agricultural Economics 2013;335(2):103–113
 
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Subsidized by the state budget under the program "Development of scientific journals." Project no. RCN/SP/0118/2021/1. Funding: PLN 64 000. Total value: PLN 64 000. The subject of the program is to support the scientific journal "Zagadnienia Ekonomiki Rolnej / Problems of Agricultural Economics" in the implementation of its development strategy, which includes activities aimed at raising the level of publishing and editorial practices, increasing the impact of the journal on the development of science and the maintenance of the journal in international scientific circulation.
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