Ancrenaz M, Lackman-Ancrenaz I, Elahan H. Seed Spitting and Seed Swallowing By Wild Orang-Utans (Pongo Pygmaeus Morion) In Sabah, Malaysia. JTBC [Internet]. 2016 Mar. 21 [cited 2024 May 15];2(1). Available from: https://jurcon.ums.edu.my/ojums/index.php/jtbc/article/view/86