New trends in chemistry teaching /
edited by E. Cartmell.
- Paris : Unesco, c 1972.
- Vols. : ill. ; 27 cm.
- The teaching of basic sciences. .
V. 3-- ;
332 332
92-3-001001-4
Chemistry--teaching.
540.7 / U3n
V. 3-- ;
332 332
92-3-001001-4
Chemistry--teaching.
540.7 / U3n