Thought and thinking - Problems,exercises, etc..

[NT 60487] Overview

[NT 60478] Works:	1 [NT 60520] works in 1 [NT 60521] publications in 1 [NT 60522] languages

[NT 60480] Titles

The art of thinking : a guide to critical and creative thought [NT 59711] by: Ruggiero, Vincent Ryan ([NT 1579] Language materials, printed)