 PDF(175 KB)
						
							PDF(175 KB) 
						
						
					 
			The Multilevel Gray Evaluation of Tourism Resources in the Qingjiang River Basin
Hua Bin WANG;Jiang Feng LI;Yi Feng LV;Bing Guo WANG
Systems Engineering - Theory & Practice ›› 2000, Vol. 20 ›› Issue (4) : 127-131.
 PDF(175 KB)
						
							PDF(175 KB) 
						
						
					 PDF(175 KB)
						
							PDF(175 KB) 
						
						
					The Multilevel Gray Evaluation of Tourism Resources in the Qingjiang River Basin
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