14,401
suntingan
Perbezaan antara semakan "Pengayaan alam sekitar"
k
{{Commons|Category: --> {{Kategori Commons|
k (r2.6.4) (bot menambah: de:Enrichment, nl:Gedragsverrijking) |
k ({{Commons|Category: --> {{Kategori Commons|) |
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==Pautan luar==
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*[http://www.awionline.org/lab_animals/biblio/laball.htm Laboratory Animal Refinement Database]
*[http://www.awionline.org/lab_animals/ Animals in Laboratories (awionline.org)]
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