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- ecological assessment 1
- ecological audit of agroindustrial production 1
- ecological capacity of lands 1
- ecological competence 6
- ecological competence of a specialist 1
- ecological compromise 1
- ecological consciousness 1
- ecological criteria 2
- ecological culture 4
- ecological danger 1
- ecological development strategy 1
- ecological disaster 1
- ecological discourse 1
- ecological eco-houses 1
- ecological education 8
- ecological education of students-ecologists 1
- ecological efficiency 4
- ecological environment 1
- ecological examination 1
- ecological factors 3