Rollin, B. E. (2003). An ethicist's commentary on the elastrator for older bulls. Canadian Veterinary Medical Association.
শিকাগো স্টাইলে সাইটেশনRollin, Bernard E. An Ethicist's Commentary On the Elastrator for Older Bulls. Canadian Veterinary Medical Association, 2003.
এমএলএ সাইটেশনRollin, Bernard E. An Ethicist's Commentary On the Elastrator for Older Bulls. Canadian Veterinary Medical Association, 2003.
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