1 Subjects: “...organic agriculture...”

2 Subjects: “...organic matter...”

3 Subjects: “...organic wastes...”

4 Subjects: “...multi-type bus operating organization...”

5 Subjects: “...organic pollutants...”

6 Subjects: “...self-organizing map...”

7 Subjects: “...organic farming...”

8 Subjects: “...organic farming...”

9 Subjects: “...virtual organizations of agents...”

10 Subjects: “...virtual organizations of agents...”