Wilson, VAD ; Bethell, EJ ; Nawroth, C https://researchonline.ljmu.ac.uk/id/eprint/22869/1/The%20use%20of%20gaze%20to%20study%20cognition%20limitations%20solutions%20and%20applications%20to%20animal%20welfare.pdf.
,
2023
Raoult, C ; Osthaus, B ; Hildebrand A. C. G.. https://repository.canterbury.ac.uk/download/e48dfeb375b707d9b59156970cb8ab206eba7c684cd84b3dcb2f5d2237823a54/487923/Goats%20and%20sheep%20detour.pdf.
,
2021