HanifaL.N., MaulahilaH.I., TambunanA., DewiD.P., Pewitasari-FarajallahD. dan RiantiP. 2023. Pilot Study on Food-processing Behaviour by Males Long-tailed Macaques on Tinjil Island, Indonesia. Indonesian Journal of Primatology. 2, 01 (Jul 2023), 21-26. DOI:https://doi.org/10.29244/primatology.2.01.21-26.