New trends in physics teaching.
- Paris : Unesco, c 1968.
- Vols. ; 27 cm.
- The teaching of basic sciences. .
V. 1-- ;
400 400
Teaching.
Physics -- Study and teaching.
530.7 / U3n
V. 1-- ;
400 400
Teaching.
Physics -- Study and teaching.
530.7 / U3n