Meireles, João Pedro, et al. “Swipe Right to Match the Stripes - Pair Compatibility in the Okapi Ex-Situ Programme: A Look at Male Aggressive Behaviour During Breeding Introductions”. Journal of Zoo and Aquarium Research, vol. 14, no. 4, Oct. 2026, pp. 62-68, https://doi.org/10.19227/kwjtmp11.