1. population boundaries.This research focuses on the study, go to the sample group is entrepreneur in the streets, the number of people in buriram province saro 150 entrepreneurs to develop learning learning formats manually to use English for communication service providers.2. the scope of content1. keep the English language skills of the operator information on erosion throughout the pedestrian in great numbers by using a query.2. the preparation of the manual in English as conversations about trading. For entrepreneurs in the market erosion in walking Street
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