1 Subjects: “...collective action theory of logic...”

2 Subjects: “...waste collection and transportation...”

3 Subjects: “...residue collection...”

4 Subjects: “...collection channel...”

5 Subjects: “...collection modes...”

6 Subjects: “...collective performance...”

7 Subjects: “...collective rights...”

8 Subjects: “...collective action...”

9 Subjects: “...collective effect...”