“Body Condition Scores (BCS) in European Zoo Elephants’ (Loxodonta Africana and Elephas Maximus) Lifetimes – a Longitudinal Analysis”. Journal of Zoo and Aquarium Research, vol. 7, no. 2, Apr. 2019, pp. 74-86, https://doi.org/10.19227/jzar.v7i2.375.