1 Subjects: “...National Council on Measurement in Education...”

2 Subjects: “... National liberation and independence...”

3 Subjects: “...first nations...”

4 Subjects: “...national parks...”

5 Subjects: “...National Health and Nutrition Examination Surveys...”

6 Subjects: “... Nation; Digitalization; Technological development; History of education; History of educational...”

7 Subjects: “...national archaeological mapping programme...”

8 Subjects: “...national park...”

9 Subjects: “...National Health Service (NHS)...”

10 Subjects: “...national health insurance...”

11 “... in these environments. In the absence of national references to be used for a comparison, it is possible to use those...”

12 “... and exploit the deposit. The continuous development of national economies is related to the increasing demand...”

13 “... asked students about their use of ICT, and collected information from teachers, schools, and national...”