Kovács-Weber, Mária, Rubina Tünde Szabó, Barbara András, Károly Kustos, and Mónika Heincinger. 2022. “Survey of Management Technologies in Duck Farms”. Animal Welfare, Ethology and Housing Systems (AWETH) 18 (2): 89-96. https://doi.org/10.17205/SZIE.AWETH.2022.2.089.