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4 Sep 2007: 1 Revised 4 September 2007 . The Twelfth Cambridge Conference on Open and Distance Learning . Return to index . Conference Papers by authors M – R . Brent Muirhead  Interactivity challenges facing online educators .

4 Sep 2007: and external implementation problems for ODL in Nigeria under the following factors; schools, managerial, teachers, students, public image, energyrelated, economic, TeleDensity and lack of consistency in programmes and policy.

4 Sep 2007: organizational issues appeared to be: administration; course development and operation; fund raising and cost control; and marketing. ... Schumpeter, J. (1935) The Analysis of Economic Change, The Review of Economic Statistics,

4 Sep 2007: of learners in an instant and at very low cost compared to highquality translations produced by humans. Indeed, Cribb (2000) captures this longing for change with the following words:.

2 Apr 2007: His article, ‘The Economics of theComing Spaceship Earth’ was published in 1966 in ‘Environmental Quality in aGrowing Economy’ pp 77-82. ... achievement. World Energy Council Report 199314 after Grubb, M, World Economics (2003) 3, p.

18 Sep 2007: of ‘complementary measures’ at a cost of 3.5 billion Euros. ... My doctoral research (supported by the Economic and Social Research Council) explores the geographies of the drink trade in nineteenth-century Liverpool, seeking to understand the

17 Apr 2007: Painstaking effort hasbeen put in during the planning process tolook at every possibility, and to weigh eachbenefit against cost and practicability. ... Together with another Robinson alumnus,Chris Duffy (Economics, 2002) I work at thePrime Minister’s

11 Sep 2007: rehabilitation methods will vary from place to place according to local environmental, economic. ... economic costs of continuing irrigation with contaminated water. Alternative farming methods.

29 Nov 2007: It notes that the costs of action are manageable but that each year of delay will result in greater disruption. ... The cost of inaction far out weighs the cost of taking action now.

2 Jul 2007: of aggregation at which marks might be reflectedas costs or prices to users. ... larger. Thus, the total cost touser i will be much higher than cY/10.