TY  - BOOK
AU  - McFadden,Myra
TI  - Sets, relations & functions: a programmed unit in modern mathematics 
U1  - 511.322 
PY  - 1963///
CY  - New York
PB  - McGraw-Hill
KW  - Algebra
KW  - Problems, exercises, etc
KW  - Functions
KW  - Programmed instruction
KW  - Graphic methods
KW  - Set theory
ER  -