Maths ? it's magic /
Rogerson, Alan.
Maths ? it's magic / by Alan Rogerson. - Annadale : User Friendly Resources, 1999. - 36 p. : ; 30 cm.
1877220515
Mathematical recreations.
Maths ? it's magic / by Alan Rogerson. - Annadale : User Friendly Resources, 1999. - 36 p. : ; 30 cm.
1877220515
Mathematical recreations.