Não informado. (1981). Journal of Policy Analysis and Management. Association for Public Policy Analysis and Management.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Policy Analysis and Management. New York: Association for Public Policy Analysis and Management, 1981.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Policy Analysis and Management. Association for Public Policy Analysis and Management, 1981.
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