1. population and sampleIn this research, the study is intended to select a group of people by the reason is with the rajthevi district. The district is located in the heart of Bangkok. It is one of the most capital. General conditions as a source of trade, service and very dense habitats, a pharmacy is a lot. Also, a bus BTS car or motorcycle commuters throughout the day and almost all night long. Inter alia, the current plan pharmacies in ratchathewi district, all stores will have to make a request for registration of a place that sells modern medicine, one layer with the Ministry of health legally? Therefore, expect to pay legitimate medications as well. Thus, the population groups is a pharmacy in the area, ratchathewi. A total number of 111 shops
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