BEDNARCZYK, Marta, and Izabella PISAREK. 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):1219-34. https://doi.org/10.25167/ees.2018.48.3.