Servais, Willy.
Teaching school mathematics, edited by W. Servais and T. Varga. - Harmondsworth, Penguin, 1971. - 308 p. illus. (some col.) 21 cm. - A Unesco source book Penguin education .
Bibliography: p. 289-298.
0140800840
72883583
B71-23919
Mathematics--Study and teaching (Secondary)
QA11 / .S46
510/.71/2
Teaching school mathematics, edited by W. Servais and T. Varga. - Harmondsworth, Penguin, 1971. - 308 p. illus. (some col.) 21 cm. - A Unesco source book Penguin education .
Bibliography: p. 289-298.
0140800840
72883583
B71-23919
Mathematics--Study and teaching (Secondary)
QA11 / .S46
510/.71/2