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OPA

Code

Meaning

Language

Themes and places

OPA

Online Publishers Association (www.online-publishers.org)

In English

• Associations
• Graphic industries, printing, publishing

OPA

Operations Planning Analysis

In English

• Management

OPA

Ontario Psychological Association (https://www.psych.on.ca/)

In English

• Associations
• Psychology
• Canada

OPA

Océan PArallélisé

In French

• Marine research, oceanography

OPA

Other Procurement, Army

In English

• Sale
• Military affairs

OPA

Offre Publique d'Achat

In French

• Economics