Teaching school chemistry /
edited by D.J. Waddington.
- Paris : Unesco, 1984.
- 392 p. : ill. ; 21 cm.
Includes bibliographical references.
326 326
92-3-102131-1
Chemistry--Study and teaching.
540.7 / U3t
Includes bibliographical references.
326 326
92-3-102131-1
Chemistry--Study and teaching.
540.7 / U3t