Perch shape and material affect perch use and health parameters of laying hens during the rearing and laying phase by Ariane Stratmann, Nadine Ringgenberg

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A hatósági és a közigazgatási szerződések gyakorlata a határon innen és túl (The practice of authority and administrative contracts in domestic and foreign case law) by Zsolt Czékmann, Eszter Czibrik

Subjects: “…administrative authority procedure…”
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