World summary of statistics on science and technology results of experimental surveys of scientific and technical manpower and expenditures for research and experimental development.
| מחבר תאגידי: | |
|---|---|
| פורמט: | ספר |
| שפה: | English |
| יצא לאור: |
Paris
Unesco
1970
|
| סדרה: | Statistical reports and studies, no. 17
|
| נושאים: |