Sentence examples for this topic has doubled from inspiring English sources

In the past five years, the number of original studies addressing this topic has doubled.

During the past few years, the number of subsequent primary studies on this topic has nearly doubled.

This topic has surfaced before.

"Industry thinking on this topic has been changing.

Maybe I'm scared because this topic has been normalized.

This topic has received much attention recently.

This topic has been extensively reviewed.

This topic has been investigated in [16 20].

Again, this topic has been covered by Next Wave.

This topic has been extensively studied in the literature [6] [9].

This topic has been reviewed elsewhere [ 35].