Chaimanee, Yaowalak, and Jean-Jacques Jaeger. “Asian Miocene Great Apes: Searching for Orangutan Ancestors”. Tropical Natural History, no. 7 (September 1, 2023): 260–275. Accessed May 20, 2024. https://li01.tci-thaijo.org/index.php/tnh/article/view/258076.