Talk-A-tivities :
Yorkey, Richard.
Talk-A-tivities : problem solving and puzzles for pairs / Richard Yorkey. - Reading, Massachusetts : Addison-Wesley, 1985. - vi, 122 p. ; 28 cm.
0-201-09911-X
PE1128 / .A2 Y67
Talk-A-tivities : problem solving and puzzles for pairs / Richard Yorkey. - Reading, Massachusetts : Addison-Wesley, 1985. - vi, 122 p. ; 28 cm.
0-201-09911-X
PE1128 / .A2 Y67