1.
Cerrone M. Keepers as social companions: Tactile communication and social enrichment for captive apes. SSS [Internet]. 2019 Dec. 31 [cited 2024 Apr. 26];47(3/4):453–479. Available from: https://ojs.utlib.ee/index.php/sss/article/view/SSS.2019.47.3-4.06