Paper folding for the mathematics class

Sonraí bibleagrafaíochta
Príomhchruthaitheoir:	Johnson, Donovan A.
Formáid:	LEABHAR
Teanga:	English
Foilsithe / Cruthaithe:	Washington National Council of Teachers Association c1967.
Ábhair:	Mathematics > Problems, exercises, etc. Mathematical recreations.