Não informado. (1990). Mechanisms of Development. Elsevier Scientific Publishers Ireland.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Mechanisms of Development. Limerick, Irlanda: Elsevier Scientific Publishers Ireland, 1990.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Mechanisms of Development. Elsevier Scientific Publishers Ireland, 1990.
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