Não informado. Rural Economic Problems. International Association for Agricultural Economics in Japan.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Rural Economic Problems. Tokyo: International Association for Agricultural Economics in Japan.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Rural Economic Problems. International Association for Agricultural Economics in Japan.
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