Exam Abbreviations and Acronyms
- NTSENational Talent Search Examinations
- NUNagaland University
- NUNagarjuna Univeusity
- NUNagpur University
- NUIMNirmx University Institute of Management
- OAOffice Assistants
- OAOrthodontic Assisting
- OAOrthodontic Assistant
- OARSOnline Applicationslregistration System
- OASOdisha Administrative Servixe
- OASOdisha Administrative Services
- OBOpen Book
- OBOral Board
- OBCOffice of The Bar Conuidant
- OBMTOregon Board of Massage Therapists
- OBOWOpen Book Open Web
- OCAOracle Certified Associate
- OCAOracle Certified Associates
- OCAOracle Certified Administrator
- OCAJPOracle Certified Associate Java Programmer
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