BEDNARCZYK, M. and PISAREK, I. 2020. Sustainable development for soya production based on the field research carried out at the Variety Assessment Experimental Station of Głubczyce in the years 2015-2017. Economic and Environmental Studies. 18, 4 (48) (Nov. 2020), 1219–1234. DOI:https://doi.org/10.25167/ees.2018.48.3.