Mathematics through paper folding /
Olson, Alton
Mathematics through paper folding / Alton Olson. - Virginia : NCTM inc., 1995. - 60 p. : ill. ; 21 cm.
QA 19 / .P34038 1995
Mathematics through paper folding / Alton Olson. - Virginia : NCTM inc., 1995. - 60 p. : ill. ; 21 cm.
QA 19 / .P34038 1995