Investigations, games and puzzles / Level 7.
Holland,Roy.
Investigations, games and puzzles / Level 7. Roy Hollands - Aylesbury : Ginn extenion mathematics, 1987. - 32 p. : ill. ; 26.6 cm.
0602246490
Mathematical recreations.
519.32 HOL
Investigations, games and puzzles / Level 7. Roy Hollands - Aylesbury : Ginn extenion mathematics, 1987. - 32 p. : ill. ; 26.6 cm.
0602246490
Mathematical recreations.
519.32 HOL