People's Bank (Sri Lanka). Research Dept. (1978). Trade and formation of sectors of production: The build-up of a Mahaweli economy. People's Bank, Research Dept..
Style de citation Chicago (17e éd.)People's Bank (Sri Lanka). Research Dept. Trade and Formation of Sectors of Production: The Build-up of a Mahaweli Economy. Colombo: People's Bank, Research Dept., 1978.
Style de citation MLA (8e éd.)People's Bank (Sri Lanka). Research Dept. Trade and Formation of Sectors of Production: The Build-up of a Mahaweli Economy. People's Bank, Research Dept., 1978.
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