Não informado. (1989). Agroforestry Today. International Centre for Research in Agroforestry.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Agroforestry Today. Nairobi: International Centre for Research in Agroforestry, 1989.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Agroforestry Today. International Centre for Research in Agroforestry, 1989.
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