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- 978-2-9601781-8-0
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- Aark House Publishing
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- Abbott Press
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- Abishur Prakash
- Ablex Publishing Corporation
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- Absolute Author Publishing House
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- Academic Press
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- Acumensa Solutions
- Adam Podkowa
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- Adelphil Consultancy
- Adin Aggarwal
- Adler Entertainment Trust, LLC
- Adlibrio
- Admiral House Publishing
- Adventures Unlimited Press
- Aegypan
- Aeressa
- Afnil
- Africa World Books Pty Ltd
- African Perspectives Publishing
- Agakure
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- Agio Publishing House
- Aha! Press a Howard Activity, LLC
- Ahmed Awad
- AI Organization
- Aiden Snow
- Air World
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- AKINT
- Al Mahmud Al Mamun
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- Alan Garcia
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- Albert Whitman & Company
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- Amber Publishers Company
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- Amy Martinsen
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