Muthmainah, M.; Sari, W. A. .; Wiyono, N. .; Ghazali, D. A.; Yudhani, R. D.; Wasita, B. Environmental Enrichment Ameliorates Anxiety-Like Behavior in Rats Without Altering Plasma Corticosterone Level. Open Access Maced J Med Sci 2021, 9, 1074-1080.