1 Subjects: “...structural equation model...”

2 Subjects: “...Political structures: democracy...”

3 Subjects: “...structural complexity...”

4 Subjects: “...Structural Equation Modelling...”

5 Subjects: “...size structure...”

6 Subjects: “...trade structure...”

7 Subjects: “...structure stability...”

8 Subjects: “...structural equation model...”

9 Subjects: “...circle structure...”

10 Subjects: “...ownership structure...”

11 Subjects: “...industrial structure...”

12 Subjects: “...interpretative structural modeling...”

13 Subjects: “...bark structure...”

14 Subjects: “...structure...”

15 Subjects: “...structure...”

16 Subjects: “...structure...”

17 Subjects: “...structural stress...”

18 “... and structure of forest ecosystems. Over the past two centuries, forest coverage and forest structures have been...”

19 “... with the relationship between water quality and the structure of ecosystem biocenoses. The conclusion of these articles...”

20 “..., structure, age, and size of the tree as well as with a tree's vitality. Therefore, greening cities...”