Biesiada, Anita, Barbara Kutkowska, and Alicja Południak. “INFLUENCE OF THE LONG DURATION OF PRODUCTION CYCLE AND INTENSITY OF INPUTS ON PROFITABILITY OF FARM PRODUCTION”. Acta Scientiarum Polonorum. Oeconomia 3, no. 1 (June 30, 2004): 5–17. Accessed May 6, 2024. https://aspe.sggw.edu.pl/article/view/966.