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2 Subjects: “...engineering economics...”

3 Subjects: “...economic sustainability...”

4 Subjects: “...economic efficiency...”

5 Subjects: “...integrated ecological-economic modeling...”

6 Subjects: “...economic evaluation...”

7 Subjects: “...economic analyses...”

8 Subjects: “...traditional rice economics...”

9 Subjects: “...socio-economic impacts...”

10 Subjects: “...economic efficiency...”

11 Subjects: “...economic load dispatch problem (ELD)...”

12 Subjects: “...economic load dispatch problem (ELD)...”

13 “..., due to its positive health benefits and the use of economically underexplored and natural raw...”

14 “...Locusts are a threat to agriculture and livelihoods in many countries globally. The economic...”

15 “... to create solutions for a sustainable energy system that is economically, environmentally, and socially...”

16 “... and economical practices that occur throughout the whole life cycle of structures, including their design...”

17 “... substantial economic losses. Research articles cover topics related to the biology and harmfulness of weeds...”

18 “..., inexpensive grain, energy, and protein have enabled the economic development of intensive meat, eggs, and milk...”

19 “...-who need healthy, sustainable, value-added, economic food produced within the new global environmental...”