STUDY OF THE EFFECTIVENESS OF ENVIRONMENTAL ENRICHMENT ON LONG-TAILED MONKEYS (Macaca fascicularis) WITH ABNORMAL BEHAVIOR. BIOMA : Jurnal Ilmiah Biologi, [S. l.], v. 14, n. 2, p. 33–45, 2025. DOI: 10.26877/ec91sa91. Disponível em: https://journal2.upgris.ac.id/index.php/bioma/article/view/1644. Acesso em: 14 oct. 2025.