Levit L.Z. Person-Oriented Conception of Happiness as the Ultimate Psychological Theory: Ten Main Reasons // American Journal of Library and Information Science. 2017, № 1 (1). Pp. 15-18.
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Levit L.Z. Person-Oriented Conception of Happiness as the Ultimate Psychological Theory: Ten Main Reasons // American Journal of Library and Information Science. 2017, № 1 (1). Pp. 15-18.
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