TY  - BOOK
AU  - Ruggiero,Vincent Ryan
TI  - The Art of thinking: a guide to critical and creative thought 
SN  - 971-08-2328-0
U1  - 153.42 R931 1984 
PY  - 1984///
CY  - New York
PB  - Harper & Row, Publishers
KW  - Thought and thinking
N1  - Includes appendices, bibliographical references and index
ER  -