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O
:
140
terms
Oases
Obesity
Observation
Obstacles to development
Occultism
USE
Spiritualism
Occupational change
USE
Occupational mobility
Occupational choice
Occupational diseases
Occupational guidance
USE
Vocational guidance
Occupational health
USE
Occupational diseases
Occupational life
USE
Working life
Occupational medicine
Occupational mobility
Occupational psychology
Occupational qualifications
Occupational safety
Occupational satisfaction
USE
Job satisfaction
Occupational sociology
Occupational status
Occupational therapy
USE
Occupational medicine
Occupational training
USE
Vocational training
Occupations
Occupied territories
Ocean circulation
Ocean currents
Ocean dynamics
USE
Dynamic oceanography
Ocean engineering
USE
Marine engineering
Ocean environment
USE
Marine environment
Ocean expeditions
USE
Ocean exploration
Ocean exploration
Ocean floor
Ocean stations
Ocean wave energy
USE
Tidal energy
Ocean waves
Oceania
Oceanic art
Oceanic cultures
Oceanic literature
Oceanographic buoys
Oceanographic data
Oceanographic equipment
Oceanographic instruments
USE
Oceanographic equipment
Oceanographic laboratories
Oceanographic measurement
Oceanographic research
Oceanography
Oceanography education
USE
Marine education
Oceanology
USE
Oceanography
Oceans
OCR
USE
Character recognition
OECD countries
OER
USE
Open educational resources
Office automation
Office equipment
Office machines
USE
Office equipment
Office management
Office services
Office workers
Official archives
USE
Government archives
Official publications
Offset printing
Offshore drilling
USE
Sea bed mining
Oil industry
USE
Petroleum industry
Oil pollution
Oil resources
USE
Petroleum resources
Old age
Olympic Games
Oman
Ombudsman
On the job training
USE
Inservice training
One parent families
One teacher schools
Online governance
USE
Electronic governance
Online information retrieval
USE
Online searching
Online information systems
Online learning
USE
Electronic learning
Online public access catalogues
USE
Catalogues
Online searching
Online systems
Ontology
OPAC
USE
Catalogues
Open area schools
USE
Open plan schools
Open courseware
USE
Open educational resources
Open educational resources
Open learning systems
USE
Distance education
Open plan schools
Open source software
Open spaces
Open teaching/learning resources
USE
Open educational resources
Open universities
Opera
Operating systems
USE
Computer software
Operations research
Ophthalmology
Opinion surveys
USE
Public opinion polls
Opium
USE
Narcotic drugs
Oppression
Optical character recognition
USE
Character recognition
Optical discs
Optical fibres
Optical instruments
Optics
Optimization
Optional courses
USE
Elective courses
Oral examinations
Oral expression
Oral history
Oral literature
USE
Folk literature
Oral reading
Oral tradition
Orchestras
Ore deposits
USE
Mineral deposits
Organ transplantation
Organic chemistry
Organic compounds
Organic matter
Organization and management
Organization and methods
Organization of research
Organizational change
Organizational structure
USE
Administrative structure
Organizations
Oriental art
USE
Asian art
Oriental cultures
USE
Asian cultures
Oriental languages
USE
Asian languages
Orientation courses
Oriya
Ornithology
Orphanages
USE
Residential child care
Orphans
Orthography
USE
Spelling
Out of school education
Out of school youth
Outdoor education
Outer space
USE
Space
Overachievers
USE
Gifted students
Overpopulation
Oxygen
Ozone
Ozone depletion