Sachanonta, Navakanit, Waridtha Sa-ngeunreung, Somchai Sa-ing-kaew, and Raywadee Butraporn. 2013. “Preference Testing as Environmental Enrichment Assessment for Laboratory Mice”. The Thai Journal of Veterinary Medicine 43 (2):205-11. https://he01.tci-thaijo.org/index.php/tjvm/article/view/9643.