Nasution, Erie, Rosyid Al-Hakim, and Siti Rukayah. 2022. “Stereotype and Abnormal Behaviour in Macaca Fascicularis Captive: Towards Good Environmental Enrichment for Its Sustainability”. JURNAL RISET RUMPUN ILMU HEWANI 1 (2):42-51. https://doi.org/10.55606/jurrih.v1i2.551.