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2Proceedings of the International Conference on Systems Modelling in Developing Countries Proceedings of the International Conference on Systems Modelling in Developing Countriesby Adulbhan, P., Asian Inst. of Technology, Bangkok (Thailand) eng 22380, International Conference on Systems Modelling in Developing Countries eng 8-11 May 1978 Bangkok (Thailand), Sharif, N., Canadian International Development Agency, Ottawa eng
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