Hanczakowska, Ewa, Jerzy Księżak, and Małgorzata Świątkiewicz. 2017. “Efficiency of Lupine Seed (Lupinus Angustifolium and Lupinus Luteus) in Sow, Piglet and Fattener Feeding”. Agricultural and Food Science 26 (1):1-15. https://doi.org/10.23986/afsci.59407.