Breag, G., & Harker, A. (1979). The utilization of waste heat produced during the manufacture of coconut shell charcoal for the centralised production of copra. Tropical Products Institute.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBreag, G.R, और A.P Harker. The Utilization of Waste Heat Produced During the Manufacture of Coconut Shell Charcoal for the Centralised Production of Copra. London: Tropical Products Institute, 1979.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBreag, G.R, और A.P Harker. The Utilization of Waste Heat Produced During the Manufacture of Coconut Shell Charcoal for the Centralised Production of Copra. Tropical Products Institute, 1979.
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