Teaching school mathematics :
Servais W.
Teaching school mathematics : The Unesco source Book / Edited by W.Servais and T.Varga. - England : UNESCO, 1971. - 308 p. : 20 cm.
Includes bibliographical references and index.
0-14-08-00840
510 SER
Teaching school mathematics : The Unesco source Book / Edited by W.Servais and T.Varga. - England : UNESCO, 1971. - 308 p. : 20 cm.
Includes bibliographical references and index.
0-14-08-00840
510 SER