Counting with Colours? Effect of Colours on the Numerical Abilities of House Crows (Corvus splendens) and Common Myna (Acridotheres tristis). tlsr [Internet]. 2016 Aug. 17 [cited 2024 May 3];27(2):1–12. Available from: https://ejournal.usm.my/tlsr/article/view/tlsr_vol27-no-2-2016_1