Sathasivampillai, K., & De Silva, G. A. C. (1976). Farm business management in the wet zone of Sri Lanka, 1973-1974. Division of Agricultural Economics, Farm Management, and Statistics, Govt. Dept. of Agriculture.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSathasivampillai, K., और G. A. C. De Silva. Farm Business Management in the Wet Zone of Sri Lanka, 1973-1974. Peradeniya: Division of Agricultural Economics, Farm Management, and Statistics, Govt. Dept. of Agriculture, 1976.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSathasivampillai, K., और G. A. C. De Silva. Farm Business Management in the Wet Zone of Sri Lanka, 1973-1974. Division of Agricultural Economics, Farm Management, and Statistics, Govt. Dept. of Agriculture, 1976.
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