Sentence examples similar to issue has been expanded upon from inspiring English sources

Vygotsky's theory of social learning has been expanded upon by numerous later theorists and researchers.

What the founders knew intuitively has been expanded upon and demonstrated using the technical sophistication of modern day social science.

These theories have been expanded upon and refined by geographers, economists, and regional scientists.

Rather, they have been expanded upon.

The Department of Education has been expanded.

Columbia has been expanding throughout Harlem.

Keycorp has been expanding outside Australia, too.

Twitter has been expanding its services.

The audience base has been expanding, too.

Most have been expanded.

Other institutional displays have been expanding.