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2by Kareem, A.A. (ed.), Tamil Nadu Agricultural Univ., Coimbatore (India) eng, Ramasamy, C. (ed.)
Published 1999Texto bibliotecaFAO IT -
3by Rajagopalan, V., Directorate of Economics and Statistics, New Delhi (India) eng 24566, Balusubramanian, M., Tamil Nadu Agricultural Univ., Coimbatore (India) eng 33289
Published 1976Texto bibliotecaFAO IT