Bujanowicz-Haraś, Barbara, and Jan Matras. “ECONOMIC EFFECTIVENESS OF MINERAL MIXTURES BALANCING MINERAL NUTRITION OF COWS IN CHOSEN BARNS OF CENTRAL-EAST POLAND”. Acta Scientiarum Polonorum. Oeconomia 3, no. 2 (December 30, 2004): 47–53. Accessed May 7, 2024. https://aspe.sggw.edu.pl/article/view/954.