Haščí­k, P., Pavelková, A., Tkáčová, J., Čuboň, J., Bobko, M., Kačániová, M., Arpášová, H. and Čech, M. (2019) “The amino acid profile after addition of humic acids and phytobiotics into diet of broiler chicken”, Potravinarstvo Slovak Journal of Food Sciences, 13(1), pp. 884–890. doi: 10.5219/1237.