Source:
Scientific Journal of the Warsaw University of Life Sciences (SGGW) - Problems of World Agriculture / Problemy Rolnictwa Światowego; 2020, Vol. 20 Issue 4, p47-57, 11p
Source:
Scientific Journal of the Warsaw University of Life Sciences (SGGW) - Problems of World Agriculture / Problemy Rolnictwa Światowego; 2021, Vol. 21 Issue 4, p37-53, 17p
Source:
Research Papers of the Wroclaw University of Economics / Prace Naukowe Uniwersytetu Ekonomicznego we Wroclawiu; 2012 Part 2, Issue 267, p95-105, 11p