recherche (2) revenu (2) chasse (2) environnement (2) écosystème (2) contrat (2) comptabilité (2) Accounting (2) Accounts (2) Water (2) Values (2) Value (2) Valuation (2) Research (2) Political science (2) Nature and nurture (2) Income (2) Hunting (2) Exchange (2) Euthenics (2) Education (2) Ecology (2) Capital (2) Adaptation (Biology) (2) Accounting (2) Research (2) Valuation (2) Hunting (2) Government (2) Educación (2)