Wilber, Ken <br/><br/>
The spectrum of consciousness / 
by Ken Wilber 
 - Wheaton, Ill. :  Theosophical Publishing House,  1977 
 - A Quest book .
<br/><br/> Koleksi Professor J.V.D'Cruz 
<br/><br/><label>Subjects--Index Terms: </label>Consciousness  Transpersonal psychology