Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) DEGUCHI Yoshitaka and TAKAHASHI Shiori and MARUYAMA Masaki and TSUJIMOTO Tsunenori and IWASE Takashi,Effects of Enrichments by Branches and Supplemental Food for Captive Japanese black Bears (Ursus thibetanus),Animal Behaviour and Management,18802133,Japanese Soceity for Animal Behaviour and Management,2005,41,3,157-163,https://cir.nii.ac.jp/crid/1390001205260185216,https://doi.org/10.20652/abm.41.3_157