Stuart Marson. (1992). Problem solving with maps. Cambridge, New York: Cambridge Univ. Press.
शिकागो स्टाइल उद्धरणStuart Marson. Problem Solving With Maps. Cambridge, New York: Cambridge Univ. Press, 1992.
एमएलए उद्धरणStuart Marson. Problem Solving With Maps. Cambridge, New York: Cambridge Univ. Press, 1992.
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