Zigo, František, Silvia Ondrašovičová, Katarína Veszelits Laktičová, and Mária Vargová. 2020. “The Influence of Housing for Laying Hens on the Economics of Egg Production”. Asian Journal of Agriculture and Food Sciences 8 (6). https://doi.org/10.24203/ajafs.v8i6.6437.