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Copper in India : present and future outlook
Ray, S. C. - In: Resources policy 10 (1984) 2, pp. 125-133
Persistent link: https://www.econbiz.de/10002680278
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Observations on current development of dairy industry in Australia & New Zealand
Ray, S. C. - 1957
Persistent link: https://www.econbiz.de/10001572356
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Cost efficiency and scale economies in general dental practices in the US : a non-parametric and parametric analysis of Colorado data
Chen, L.; Ray, S. C. - In: Journal of the Operational Research Society : OR 64 (2013) 5, pp. 762-774
Persistent link: https://www.econbiz.de/10009741306