사용자 기여
- 2015년 7월 10일 (금) 16:54 (차이 | 역사) . . (+4,306) . . 새글 TidwellGillis485 (새 문서: Among the essential axioms of dog training is the concept of conditioned response. The idea is that you can set up your dogs environment in such a way that it learns to abandon its de...) (최신)
