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This paper explores China’s digital divide, with a focus on differences in access to computers, learning software, and the Internet at school and at home among different groups of elementary school ch...
Nutrient resorption and leaching resistance, through their roles in reducing nutrient losses, are important determinants of plant nutrient economy. However, the contributions of fine-stem and fine-roo...
Georg de Buquoy, Lord de Vaux, lived in Nove Hrady, Prague and Cerveny Hradek for most of his productive life. From his extensive scientific contributions, both theoretical and experimental, we expan...
This article deals with the genesis of civil society in medieval society in the hope that this might elucidate the general conditions in which a civil society can flourish. We are, moreover, well aw...
This paper considers estimation and hypothesis testing in linear time series models when some or all of the variables have unit roots. Our motivating example is a vector auto...

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