Definition |
Category |
| Astronomy Through Practical Investigations | Astronomy |
| Applied Technology Performance Improvement | Technology |
| Advanced Travel Partners International | Travel & Tourism |
| American Tax Policy Institute | Tax |
| Association of Texas Photography Instructors | Photography & Imaging |
| Air Travel Price Index | Travel & Tourism |
| Australian Technology Park Innovations | Australian |
| Applied Technology and Performance Improvement | Technology |
| Aston Team Performance Inventory | Unclassified |
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