SiagianT.B., MawadaD.Q. and FitriA. 2023. Observation of infant body weight and physiological conditions of Siamang (Symphalangus syndactylus) in ex situ conservation. ARSHI Veterinary Letters. 7, 4 (Dec. 2023), 75-76. DOI:https://doi.org/10.29244/avl.7.4.75-76.