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Delta Society
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title
ISBN-13
(ISBN-10)
year of publication
Animal-Assisted Therapy Standards of Practice
978-1-889785-01-1
(1-889785-01-6)
1996
Professional Standards for Dog Trainers: Effective, Humane Principles
978-1-889785-14-1
(1-889785-14-8)
2001
Delta Systems