International Encyclopedia of the Social and Behavioral Sciences. Vol 3 - Neil J. Smelser; Paul B. Baltes (New Delhi Elsevier India Pvt Limited, 2009)
Neil J. Smelser & Paul B. Baltes: International Encyclopedia of the Social and Behavioral Sciences. Vol 3. New Delhi. Elsevier India Pvt Limited, 2009. 81-312-1854-9--(300.3SME)
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