Sathasivampillai, K. (1974). Cost of production of cigarette tobacco, Maha 1972/73. Division of Agricultural Economics, Govt. Dept. of Agriculture.
Lua i Stíl Chicago (17ú heag.)Sathasivampillai, K. Cost of Production of Cigarette Tobacco, Maha 1972/73. Peradeniya: Division of Agricultural Economics, Govt. Dept. of Agriculture, 1974.
Lua MLA (8ú heag.)Sathasivampillai, K. Cost of Production of Cigarette Tobacco, Maha 1972/73. Division of Agricultural Economics, Govt. Dept. of Agriculture, 1974.
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