1. Peter Senge, The Fifth Discipline: The Art and Practice of the Learning Organization (New York: Doubleday, 1990).
2. Carlos Castaneda, The Teachings of Don Juan: A Yaqui Way of Knowledge (Berkeley: University of California Press, 1968).
3. Ram Dass (Richard Alpert), The Only Dance There Is (Garden City, NY: Anchor Press, 1974).
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