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40.538  Articles
1 of 4.055 pages  |  10  records  |  more records»
AbstractFood production in developing countries has been highly susceptible to both climatic and non-climatic stressors. To identify the factors that prevent the rural poor from producing food efficiently, various participatory methodologies have been uti... see more

Local grain economies are being developed in North America and Europe as alternatives to the global grain economy and its negative externalities. Little is known, however, about their size, structure, and sustainability, in particular as they evolve. This... see more

Quite a few strategies have been proposed for integrating mobile ad hoc networks and the Internet. A need has been felt for an analytical model that would facilitate a formal definition and comparison of different integration strategies without actually i... see more

Local grain economies are being developed in North America and Europe as alternatives to the global grain economy and its negative externalities. Little is known, however, about their size, structure, and sustainability, in particular as they evolve. This... see more

The term ‘orchestrating learning’ is being used increasingly often, referring to the coordination activities performed while applying learning technologies to authentic settings. However, there is little consensus about how this notion should be conceptua... see more

In this article, Activity Theory is used as analytical framework for developing and evaluating the model of contextual online collaborative learning. Activity Theory is useful particularly because it provided the researcher with tool to structure human ac... see more

Este artigo tem como objetivo investigar e problematizar os processos de governança educacional, com vistas a identificar os aspectos da governança que contribuem ou limitam a garantia ao direito à educação no Brasil. Utilizou-se uma abordagem qualitativa... see more

The article examines the transformation of basic psychological concepts within the framework of discursive psychology, which became part of the discourse-analytical studies. The basic principle of discursive psychology is the principle of constructionism ... see more

It is known that the traditional construction life cycle produces wastes in time, materials and cost as well as producing polluting materials. The main objective of this study is to propose a framework that integrates the traditional construction techniqu... see more

1 of 4.055 pages  |  10  records  |  more records»