TY  - BOOK
AU  - Johnson,Donovan A.
TI  - Paper folding for the mathematics class
PY  - 1957///]
CY  - Washington
PB  - National Council of Teachers of Mathematics
KW  - Geometry
KW  - Problems, exercises, etc
KW  - Local
KW  - Paper work
KW  - Mathematical recreations
ER  -