Ruggiero, Vincent Ryan <br/><br/>
The art of thinking :  a guide to critical and creative thought / 
Vincent Ryan Ruggiero. 
 - Mandaluyong :  Cacho Hermanos,  c1984. 
 - xi, 228 p. 
<br/><br/> Include appendices, notes and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Thought and thinking<br/>Thought and thinking--Problems, exercises, etc.