Program Abbreviations and Acronyms
- OPCODEOperation Code
- OPDOrganisasi Perangkat Daerah
- OPEOverseas Processing Entity
- OPEOverseas Processing Entities
- OPESOverseas Processing Entities
- OPHSOntario Public Health Standards
- OPIOptimum Performance Institute
- OPISOperaČNÝ Program InformatizáCia SpoloČNosti
- OPITOrganización Payipie Ichadie Totqbiegosode
- OPKOperasi Pasar Khusus
- OPNSOperational Phase
- OPPOffice of Pollution Prevention
- OPROffice of Performance Review
- OPRBOruanisasi Pengurangan Risiko Bencana
- OPREOffice of Planning, Research, and Evaluation
- OPREOffice of Planning, Research and Evaluation
- OPRMOperasi Pangan Riau Makmur
- OPSOrbital Piloted Station
- OPTOccupational Practical Training
- OPTOffice Professional Training
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