Subject
- Carbon cycle (Biogeochemistry) -- Costa Rica2
- Carbon sequestration -- Costa Rica2
- Soils -- Carbon content -- Costa Rica2
- Aquaculture -- Economic aspects1
- Climatic changes -- Costa Rica1
- Education -- Parent participation -- Oregon -- Newport1
- Education, Bilingual -- Oregon -- Newport1
- Fisheries -- Economic aspects -- Congresses1
- Fishery management -- Congresses1
- Forest biomass -- Costa Rica1
- Government ownership -- United States -- Econometric models1
- Land use -- Environmental aspects -- Costa Rica1
- Marine aquariums, Public -- Oregon -- Newport1
- Marine sciences -- Study and teaching -- Oregon -- Newport1
- Mexican Americans -- Education -- Oregon -- Newport1
- Olympic Games (22nd : 1980 : Moscow, Russia)1
- Oregon State University -- Curricula1
- Privatization -- United States -- Econometric models1
- Roads -- Economic aspects -- United States1
- Science museums -- Educational aspects -- Oregon -- Newport1