References
Ekman, P. (2003).
Emotions revealed: Recognizing faces and feelings to improve
communication and emotional life.
New York: Times Books.
Wallace, B. A. (1999).
Boundless heart: The Cultivation of the four immeasurables.
Ithaca: Snow Lion Publications.
Lazarus, R. S. (1991).
Emotion & adaptation
. New York: Oxford University Press.
Tulku, T. (1978).
Openness mind.
Berkeley: Dharma Publications.
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