Mathland :
Norman, L.C.
Mathland : The novice version. - New York : Cambridge University press, 1994. - 80 p. ill. 19.7 cm.
0521468019
Mathematical recreations.
Problem solving.
JF NOR
Mathland : The novice version. - New York : Cambridge University press, 1994. - 80 p. ill. 19.7 cm.
0521468019
Mathematical recreations.
Problem solving.
JF NOR