TY  - BOOK
AU  - Ruggiero,Vincent Ryan
TI  - The art of thinking: a guide to critical and creative thought 
SN  - 0205660185
PY  - 2010///
CY  - New York
PB  - Longman
KW  - Creative thinking
KW  - Thought and thinking
KW  - Problems, exercises, etc
N1  - Includes bibliographical references (p. 273-277) and index
ER  -