1 Subjects: “...socio-economic development...”

2 Subjects: “...economic environmental protection instruments...”

3 Subjects: “...Environmental economics / bicssc...”

4 Subjects: “...Environmental economics / bicssc...”

5 “... between hydrology, climate, land use, water quality, ecology, and social and economic pressures...”

6 “... in the early stages of drug design, such as planning more efficient and economic synthetic routes for chemical...”