Understanding mathematics :
Cox, C.J.
Understanding mathematics : Teacher's resource book 3. - 2nd ed. - London : John Murray, 1990. - vi, 280 p. ill. 30 cm.
0719547571
Mathematics
510 COX
Understanding mathematics : Teacher's resource book 3. - 2nd ed. - London : John Murray, 1990. - vi, 280 p. ill. 30 cm.
0719547571
Mathematics
510 COX