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In both sites questions can be raised about the sustainability of such decentralised resource management institutions , particularly as many richer members of the ' community ' have no investment in the community sources as they increasingly have access to private water supplies . When you have finished writing your page , be sure and save it on the hard-drive of the machine you are using . He cannot have it both ways , and we are here to ask for full disclosure of the proof of his claims . The program of the conference is shown below . The sustainability of the system already in place hinges very much on the establishment of a vigorous programme of research . Your program should print the results in a neat tabular format , and should calculate and print the total of yesterday 's receipts.The program should use the function calculateCharges to determine the charge for each customer . The concept of development is intimately linked to the integrated view of the world , and the sustainability of such development now lies in the capability of the professionals to deal with it , along with the broader political problems of our society .