G. Gardner TRRL, P R Cornwell and J A Cracknell Traffic & Transport Consultants LTD

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« / » https://transport-links.com/wp-content/uploads/2019/11/1_673_PA1238_1990.pdf

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« / » http://www.codatu.org/wp-content/uploads/Bus-rapid-or-light-rail-transit-for-intermediate-cities-F.-KUHN.pdf

« / » https://onlinelibrary.wiley.com/doi/epdf/10.1002/atr.5670320203

« / » https://openknowledge.worldbank.org/bitstream/handle/10986/15232/24910.pdf?sequence=5

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