1. the results of the analysis of the factors affecting the levels of water quality analysis of room to choose to use private agencies in Bangkok. It found that factors that affect water quality analysis of the use of selected rooms in Southwold ngahan unit overview. With the average levels seen with most (X = 4.62) each analysis result found that the product, price, place, promotion, marketing, service staff, processes, services, and the physical characteristics. With the average levels seen with most (X = 4.58 4.77, .47, 4.52 4.51 4.66, 4.86,, and, respectively).
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