Jankowski, Kazimierz, Elżbieta Malinowska, Jacek Sosnowski, Beata Wiśniewska-Kadżajan, and Anna Kaczorek. 2018. “Effects of Spent Mushroom Substrate and Slurry on Nutritional Value of Grass and Medicago X Varia T. Martyn Mixtures”. International Journal of Agricultural and Biological Engineering 11 (3). Beijing, China:61-66. https://www.ijabe.org/index.php/ijabe/article/view/3726.